Home / 922,131.83-1,272,547.39-514,259.44

Finding the Fourth Proportional to 922,131.83, 1,272,547.39 and 514,259.44

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Solution

The fourth proportional to 922,131.83, 1,272,547.39 and 514,259.44 is: 709,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,131.83 : 1,272,547.39 = 514,259.44 : x
  2. Step 2: Convert to fraction form
    922,131.83/1,272,547.39 = 514,259.44/x
  3. Step 3: Cross multiply
    922,131.83x = 1,272,547.39 × 514,259.44
  4. Step 4: Simplify right side
    922,131.83x = 654,419,508,154.86
  5. Step 5: Solve for x
    x = 654,419,508,154.86/922,131.83
  6. Step 6: Final answer
    x = 709,681.07

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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.