Home / 898,996.20-1,240,652.36-517,023.24

Finding the Fourth Proportional to 898,996.20, 1,240,652.36 and 517,023.24

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Solution

The fourth proportional to 898,996.20, 1,240,652.36 and 517,023.24 is: 713,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,996.20 : 1,240,652.36 = 517,023.24 : x
  2. Step 2: Convert to fraction form
    898,996.20/1,240,652.36 = 517,023.24/x
  3. Step 3: Cross multiply
    898,996.20x = 1,240,652.36 × 517,023.24
  4. Step 4: Simplify right side
    898,996.20x = 641,446,102,880.85
  5. Step 5: Solve for x
    x = 641,446,102,880.85/898,996.20
  6. Step 6: Final answer
    x = 713,513.70

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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.