Home / 923,914.51-1,385,871.80-347,646.15

Finding the Fourth Proportional to 923,914.51, 1,385,871.80 and 347,646.15

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Solution

The fourth proportional to 923,914.51, 1,385,871.80 and 347,646.15 is: 521,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,914.51 : 1,385,871.80 = 347,646.15 : x
  2. Step 2: Convert to fraction form
    923,914.51/1,385,871.80 = 347,646.15/x
  3. Step 3: Cross multiply
    923,914.51x = 1,385,871.80 × 347,646.15
  4. Step 4: Simplify right side
    923,914.51x = 481,792,993,925.34
  5. Step 5: Solve for x
    x = 481,792,993,925.34/923,914.51
  6. Step 6: Final answer
    x = 521,469.24

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Half scale
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Double scale
Find fourth proportional to 923,915.51, 1,385,873.30 and 347,647.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.