Home / 923,801.28-1,274,773.02-515,871.24

Finding the Fourth Proportional to 923,801.28, 1,274,773.02 and 515,871.24

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Solution

The fourth proportional to 923,801.28, 1,274,773.02 and 515,871.24 is: 711,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,801.28 : 1,274,773.02 = 515,871.24 : x
  2. Step 2: Convert to fraction form
    923,801.28/1,274,773.02 = 515,871.24/x
  3. Step 3: Cross multiply
    923,801.28x = 1,274,773.02 × 515,871.24
  4. Step 4: Simplify right side
    923,801.28x = 657,618,738,545.95
  5. Step 5: Solve for x
    x = 657,618,738,545.95/923,801.28
  6. Step 6: Final answer
    x = 711,861.69

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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.