Home / 676,475.34-933,542.83-408,151.50

Finding the Fourth Proportional to 676,475.34, 933,542.83 and 408,151.50

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Solution

The fourth proportional to 676,475.34, 933,542.83 and 408,151.50 is: 563,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,475.34 : 933,542.83 = 408,151.50 : x
  2. Step 2: Convert to fraction form
    676,475.34/933,542.83 = 408,151.50/x
  3. Step 3: Cross multiply
    676,475.34x = 933,542.83 × 408,151.50
  4. Step 4: Simplify right side
    676,475.34x = 381,026,906,378.75
  5. Step 5: Solve for x
    x = 381,026,906,378.75/676,475.34
  6. Step 6: Final answer
    x = 563,253.21

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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.