Home / 880,653.20-1,215,301.60-536,489.12

Finding the Fourth Proportional to 880,653.20, 1,215,301.60 and 536,489.12

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Solution

The fourth proportional to 880,653.20, 1,215,301.60 and 536,489.12 is: 740,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,653.20 : 1,215,301.60 = 536,489.12 : x
  2. Step 2: Convert to fraction form
    880,653.20/1,215,301.60 = 536,489.12/x
  3. Step 3: Cross multiply
    880,653.20x = 1,215,301.60 × 536,489.12
  4. Step 4: Simplify right side
    880,653.20x = 651,996,078,500.86
  5. Step 5: Solve for x
    x = 651,996,078,500.86/880,653.20
  6. Step 6: Final answer
    x = 740,355.09

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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.