Home / 1,139,531.46-1,573,037.61-710,023.80

Finding the Fourth Proportional to 1,139,531.46, 1,573,037.61 and 710,023.80

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Solution

The fourth proportional to 1,139,531.46, 1,573,037.61 and 710,023.80 is: 980,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,531.46 : 1,573,037.61 = 710,023.80 : x
  2. Step 2: Convert to fraction form
    1,139,531.46/1,573,037.61 = 710,023.80/x
  3. Step 3: Cross multiply
    1,139,531.46x = 1,573,037.61 × 710,023.80
  4. Step 4: Simplify right side
    1,139,531.46x = 1,116,894,141,395.12
  5. Step 5: Solve for x
    x = 1,116,894,141,395.12/1,139,531.46
  6. Step 6: Final answer
    x = 980,134.54

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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.