Home / 1,098,803.45-1,516,276.59-615,257.75

Finding the Fourth Proportional to 1,098,803.45, 1,516,276.59 and 615,257.75

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Solution

The fourth proportional to 1,098,803.45, 1,516,276.59 and 615,257.75 is: 849,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,803.45 : 1,516,276.59 = 615,257.75 : x
  2. Step 2: Convert to fraction form
    1,098,803.45/1,516,276.59 = 615,257.75/x
  3. Step 3: Cross multiply
    1,098,803.45x = 1,516,276.59 × 615,257.75
  4. Step 4: Simplify right side
    1,098,803.45x = 932,900,923,141.07
  5. Step 5: Solve for x
    x = 932,900,923,141.07/1,098,803.45
  6. Step 6: Final answer
    x = 849,015.28

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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.