Home / 922,189.35-1,272,618.84-514,291.68

Finding the Fourth Proportional to 922,189.35, 1,272,618.84 and 514,291.68

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Solution

The fourth proportional to 922,189.35, 1,272,618.84 and 514,291.68 is: 709,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,189.35 : 1,272,618.84 = 514,291.68 : x
  2. Step 2: Convert to fraction form
    922,189.35/1,272,618.84 = 514,291.68/x
  3. Step 3: Cross multiply
    922,189.35x = 1,272,618.84 × 514,291.68
  4. Step 4: Simplify right side
    922,189.35x = 654,497,283,151.85
  5. Step 5: Solve for x
    x = 654,497,283,151.85/922,189.35
  6. Step 6: Final answer
    x = 709,721.14

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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.