Home / 1,145,521.17-1,580,796.41-636,206.13

Finding the Fourth Proportional to 1,145,521.17, 1,580,796.41 and 636,206.13

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Solution

The fourth proportional to 1,145,521.17, 1,580,796.41 and 636,206.13 is: 877,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,521.17 : 1,580,796.41 = 636,206.13 : x
  2. Step 2: Convert to fraction form
    1,145,521.17/1,580,796.41 = 636,206.13/x
  3. Step 3: Cross multiply
    1,145,521.17x = 1,580,796.41 × 636,206.13
  4. Step 4: Simplify right side
    1,145,521.17x = 1,005,712,363,142.96
  5. Step 5: Solve for x
    x = 1,005,712,363,142.96/1,145,521.17
  6. Step 6: Final answer
    x = 877,951.79

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Double scale
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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.