Home / 825,349.17-1,138,993.50-498,616.76

Finding the Fourth Proportional to 825,349.17, 1,138,993.50 and 498,616.76

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Solution

The fourth proportional to 825,349.17, 1,138,993.50 and 498,616.76 is: 688,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,349.17 : 1,138,993.50 = 498,616.76 : x
  2. Step 2: Convert to fraction form
    825,349.17/1,138,993.50 = 498,616.76/x
  3. Step 3: Cross multiply
    825,349.17x = 1,138,993.50 × 498,616.76
  4. Step 4: Simplify right side
    825,349.17x = 567,921,242,936.09
  5. Step 5: Solve for x
    x = 567,921,242,936.09/825,349.17
  6. Step 6: Final answer
    x = 688,098.16

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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.