Home / 1,098,805.45-1,516,279.35-615,259.75

Finding the Fourth Proportional to 1,098,805.45, 1,516,279.35 and 615,259.75

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Solution

The fourth proportional to 1,098,805.45, 1,516,279.35 and 615,259.75 is: 849,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,805.45 : 1,516,279.35 = 615,259.75 : x
  2. Step 2: Convert to fraction form
    1,098,805.45/1,516,279.35 = 615,259.75/x
  3. Step 3: Cross multiply
    1,098,805.45x = 1,516,279.35 × 615,259.75
  4. Step 4: Simplify right side
    1,098,805.45x = 932,905,653,811.16
  5. Step 5: Solve for x
    x = 932,905,653,811.16/1,098,805.45
  6. Step 6: Final answer
    x = 849,018.04

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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.