Home / 635,317.32-876,766.50-380,663.04

Finding the Fourth Proportional to 635,317.32, 876,766.50 and 380,663.04

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Solution

The fourth proportional to 635,317.32, 876,766.50 and 380,663.04 is: 525,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,317.32 : 876,766.50 = 380,663.04 : x
  2. Step 2: Convert to fraction form
    635,317.32/876,766.50 = 380,663.04/x
  3. Step 3: Cross multiply
    635,317.32x = 876,766.50 × 380,663.04
  4. Step 4: Simplify right side
    635,317.32x = 333,752,601,260.16
  5. Step 5: Solve for x
    x = 333,752,601,260.16/635,317.32
  6. Step 6: Final answer
    x = 525,332.13

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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.