Home / 923,473.80-1,385,210.70-325,110.60

Finding the Fourth Proportional to 923,473.80, 1,385,210.70 and 325,110.60

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Solution

The fourth proportional to 923,473.80, 1,385,210.70 and 325,110.60 is: 487,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,473.80 : 1,385,210.70 = 325,110.60 : x
  2. Step 2: Convert to fraction form
    923,473.80/1,385,210.70 = 325,110.60/x
  3. Step 3: Cross multiply
    923,473.80x = 1,385,210.70 × 325,110.60
  4. Step 4: Simplify right side
    923,473.80x = 450,346,681,803.42
  5. Step 5: Solve for x
    x = 450,346,681,803.42/923,473.80
  6. Step 6: Final answer
    x = 487,665.90

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Double scale
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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.