Home / 922,184.78-1,272,612.47-514,287.05

Finding the Fourth Proportional to 922,184.78, 1,272,612.47 and 514,287.05

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Solution

The fourth proportional to 922,184.78, 1,272,612.47 and 514,287.05 is: 709,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,184.78 : 1,272,612.47 = 514,287.05 : x
  2. Step 2: Convert to fraction form
    922,184.78/1,272,612.47 = 514,287.05/x
  3. Step 3: Cross multiply
    922,184.78x = 1,272,612.47 × 514,287.05
  4. Step 4: Simplify right side
    922,184.78x = 654,488,104,055.02
  5. Step 5: Solve for x
    x = 654,488,104,055.02/922,184.78
  6. Step 6: Final answer
    x = 709,714.71

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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.