Home / 1,098,802.45-1,516,275.21-615,256.75

Finding the Fourth Proportional to 1,098,802.45, 1,516,275.21 and 615,256.75

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Solution

The fourth proportional to 1,098,802.45, 1,516,275.21 and 615,256.75 is: 849,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,802.45 : 1,516,275.21 = 615,256.75 : x
  2. Step 2: Convert to fraction form
    1,098,802.45/1,516,275.21 = 615,256.75/x
  3. Step 3: Cross multiply
    1,098,802.45x = 1,516,275.21 × 615,256.75
  4. Step 4: Simplify right side
    1,098,802.45x = 932,898,557,810.17
  5. Step 5: Solve for x
    x = 932,898,557,810.17/1,098,802.45
  6. Step 6: Final answer
    x = 849,013.90

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Double scale
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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.