Home / 880,853.28-1,215,557.76-513,307.68

Finding the Fourth Proportional to 880,853.28, 1,215,557.76 and 513,307.68

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Solution

The fourth proportional to 880,853.28, 1,215,557.76 and 513,307.68 is: 708,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,853.28 : 1,215,557.76 = 513,307.68 : x
  2. Step 2: Convert to fraction form
    880,853.28/1,215,557.76 = 513,307.68/x
  3. Step 3: Cross multiply
    880,853.28x = 1,215,557.76 × 513,307.68
  4. Step 4: Simplify right side
    880,853.28x = 623,955,133,691.60
  5. Step 5: Solve for x
    x = 623,955,133,691.60/880,853.28
  6. Step 6: Final answer
    x = 708,353.08

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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.