Home / 880,298.20-1,316,300.10-656,349.40

Finding the Fourth Proportional to 880,298.20, 1,316,300.10 and 656,349.40

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Solution

The fourth proportional to 880,298.20, 1,316,300.10 and 656,349.40 is: 981,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,298.20 : 1,316,300.10 = 656,349.40 : x
  2. Step 2: Convert to fraction form
    880,298.20/1,316,300.10 = 656,349.40/x
  3. Step 3: Cross multiply
    880,298.20x = 1,316,300.10 × 656,349.40
  4. Step 4: Simplify right side
    880,298.20x = 863,952,780,854.94
  5. Step 5: Solve for x
    x = 863,952,780,854.94/880,298.20
  6. Step 6: Final answer
    x = 981,431.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.