Home / 440,366.38-607,702.18-239,162.38

Finding the Fourth Proportional to 440,366.38, 607,702.18 and 239,162.38

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Solution

The fourth proportional to 440,366.38, 607,702.18 and 239,162.38 is: 330,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,366.38 : 607,702.18 = 239,162.38 : x
  2. Step 2: Convert to fraction form
    440,366.38/607,702.18 = 239,162.38/x
  3. Step 3: Cross multiply
    440,366.38x = 607,702.18 × 239,162.38
  4. Step 4: Simplify right side
    440,366.38x = 145,339,499,699.99
  5. Step 5: Solve for x
    x = 145,339,499,699.99/440,366.38
  6. Step 6: Final answer
    x = 330,042.22

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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.