Home / 514,557.26-710,091.06-288,202.76

Finding the Fourth Proportional to 514,557.26, 710,091.06 and 288,202.76

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Solution

The fourth proportional to 514,557.26, 710,091.06 and 288,202.76 is: 397,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,557.26 : 710,091.06 = 288,202.76 : x
  2. Step 2: Convert to fraction form
    514,557.26/710,091.06 = 288,202.76/x
  3. Step 3: Cross multiply
    514,557.26x = 710,091.06 × 288,202.76
  4. Step 4: Simplify right side
    514,557.26x = 204,650,203,343.33
  5. Step 5: Solve for x
    x = 204,650,203,343.33/514,557.26
  6. Step 6: Final answer
    x = 397,720.95

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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.