Home / 613,280.10-919,923.60-546,123.38

Finding the Fourth Proportional to 613,280.10, 919,923.60 and 546,123.38

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Solution

The fourth proportional to 613,280.10, 919,923.60 and 546,123.38 is: 819,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,280.10 : 919,923.60 = 546,123.38 : x
  2. Step 2: Convert to fraction form
    613,280.10/919,923.60 = 546,123.38/x
  3. Step 3: Cross multiply
    613,280.10x = 919,923.60 × 546,123.38
  4. Step 4: Simplify right side
    613,280.10x = 502,391,788,073.58
  5. Step 5: Solve for x
    x = 502,391,788,073.58/613,280.10
  6. Step 6: Final answer
    x = 819,188.15

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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.