Home / 813,246.01-1,122,270.53-445,726.13

Finding the Fourth Proportional to 813,246.01, 1,122,270.53 and 445,726.13

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Solution

The fourth proportional to 813,246.01, 1,122,270.53 and 445,726.13 is: 615,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,246.01 : 1,122,270.53 = 445,726.13 : x
  2. Step 2: Convert to fraction form
    813,246.01/1,122,270.53 = 445,726.13/x
  3. Step 3: Cross multiply
    813,246.01x = 1,122,270.53 × 445,726.13
  4. Step 4: Simplify right side
    813,246.01x = 500,225,292,309.97
  5. Step 5: Solve for x
    x = 500,225,292,309.97/813,246.01
  6. Step 6: Final answer
    x = 615,097.14

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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.