Home / 1,127,805.17-1,691,032.16-358,970.79

Finding the Fourth Proportional to 1,127,805.17, 1,691,032.16 and 358,970.79

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Solution

The fourth proportional to 1,127,805.17, 1,691,032.16 and 358,970.79 is: 538,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,805.17 : 1,691,032.16 = 358,970.79 : x
  2. Step 2: Convert to fraction form
    1,127,805.17/1,691,032.16 = 358,970.79/x
  3. Step 3: Cross multiply
    1,127,805.17x = 1,691,032.16 × 358,970.79
  4. Step 4: Simplify right side
    1,127,805.17x = 607,031,150,390.61
  5. Step 5: Solve for x
    x = 607,031,150,390.61/1,127,805.17
  6. Step 6: Final answer
    x = 538,241.15

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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.