Home / 832,718.40-1,149,156.96-465,195.36

Finding the Fourth Proportional to 832,718.40, 1,149,156.96 and 465,195.36

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Solution

The fourth proportional to 832,718.40, 1,149,156.96 and 465,195.36 is: 641,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,718.40 : 1,149,156.96 = 465,195.36 : x
  2. Step 2: Convert to fraction form
    832,718.40/1,149,156.96 = 465,195.36/x
  3. Step 3: Cross multiply
    832,718.40x = 1,149,156.96 × 465,195.36
  4. Step 4: Simplify right side
    832,718.40x = 534,582,485,703.71
  5. Step 5: Solve for x
    x = 534,582,485,703.71/832,718.40
  6. Step 6: Final answer
    x = 641,972.71

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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.