Home / 1,098,806.45-1,516,280.73-615,260.75

Finding the Fourth Proportional to 1,098,806.45, 1,516,280.73 and 615,260.75

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Solution

The fourth proportional to 1,098,806.45, 1,516,280.73 and 615,260.75 is: 849,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,806.45 : 1,516,280.73 = 615,260.75 : x
  2. Step 2: Convert to fraction form
    1,098,806.45/1,516,280.73 = 615,260.75/x
  3. Step 3: Cross multiply
    1,098,806.45x = 1,516,280.73 × 615,260.75
  4. Step 4: Simplify right side
    1,098,806.45x = 932,908,019,150.35
  5. Step 5: Solve for x
    x = 932,908,019,150.35/1,098,806.45
  6. Step 6: Final answer
    x = 849,019.42

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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.