Home / 757,120.92-1,134,281.70-382,248.60

Finding the Fourth Proportional to 757,120.92, 1,134,281.70 and 382,248.60

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Solution

The fourth proportional to 757,120.92, 1,134,281.70 and 382,248.60 is: 572,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,120.92 : 1,134,281.70 = 382,248.60 : x
  2. Step 2: Convert to fraction form
    757,120.92/1,134,281.70 = 382,248.60/x
  3. Step 3: Cross multiply
    757,120.92x = 1,134,281.70 × 382,248.60
  4. Step 4: Simplify right side
    757,120.92x = 433,577,591,830.62
  5. Step 5: Solve for x
    x = 433,577,591,830.62/757,120.92
  6. Step 6: Final answer
    x = 572,666.24

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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.