Home / 1,139,531.20-1,573,037.27-710,023.54

Finding the Fourth Proportional to 1,139,531.20, 1,573,037.27 and 710,023.54

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Solution

The fourth proportional to 1,139,531.20, 1,573,037.27 and 710,023.54 is: 980,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,531.20 : 1,573,037.27 = 710,023.54 : x
  2. Step 2: Convert to fraction form
    1,139,531.20/1,573,037.27 = 710,023.54/x
  3. Step 3: Cross multiply
    1,139,531.20x = 1,573,037.27 × 710,023.54
  4. Step 4: Simplify right side
    1,139,531.20x = 1,116,893,490,997.34
  5. Step 5: Solve for x
    x = 1,116,893,490,997.34/1,139,531.20
  6. Step 6: Final answer
    x = 980,134.19

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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.