Home / 514,566.28-771,825.66-140,588.20

Finding the Fourth Proportional to 514,566.28, 771,825.66 and 140,588.20

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Solution

The fourth proportional to 514,566.28, 771,825.66 and 140,588.20 is: 210,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,566.28 : 771,825.66 = 140,588.20 : x
  2. Step 2: Convert to fraction form
    514,566.28/771,825.66 = 140,588.20/x
  3. Step 3: Cross multiply
    514,566.28x = 771,825.66 × 140,588.20
  4. Step 4: Simplify right side
    514,566.28x = 108,509,580,253.21
  5. Step 5: Solve for x
    x = 108,509,580,253.21/514,566.28
  6. Step 6: Final answer
    x = 210,875.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.