Home / 923,544.18-1,274,478.51-515,652.30

Finding the Fourth Proportional to 923,544.18, 1,274,478.51 and 515,652.30

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Solution

The fourth proportional to 923,544.18, 1,274,478.51 and 515,652.30 is: 711,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,544.18 : 1,274,478.51 = 515,652.30 : x
  2. Step 2: Convert to fraction form
    923,544.18/1,274,478.51 = 515,652.30/x
  3. Step 3: Cross multiply
    923,544.18x = 1,274,478.51 × 515,652.30
  4. Step 4: Simplify right side
    923,544.18x = 657,187,774,982.07
  5. Step 5: Solve for x
    x = 657,187,774,982.07/923,544.18
  6. Step 6: Final answer
    x = 711,593.22

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Half scale
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Double scale
Find fourth proportional to 923,545.18, 1,274,479.89 and 515,653.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.