Home / 898,531.76-1,239,973.08-516,633.20

Finding the Fourth Proportional to 898,531.76, 1,239,973.08 and 516,633.20

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Solution

The fourth proportional to 898,531.76, 1,239,973.08 and 516,633.20 is: 712,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,531.76 : 1,239,973.08 = 516,633.20 : x
  2. Step 2: Convert to fraction form
    898,531.76/1,239,973.08 = 516,633.20/x
  3. Step 3: Cross multiply
    898,531.76x = 1,239,973.08 × 516,633.20
  4. Step 4: Simplify right side
    898,531.76x = 640,611,260,234.26
  5. Step 5: Solve for x
    x = 640,611,260,234.26/898,531.76
  6. Step 6: Final answer
    x = 712,953.39

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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.