Home / 991,205.17-1,367,836.56-583,331.04

Finding the Fourth Proportional to 991,205.17, 1,367,836.56 and 583,331.04

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Solution

The fourth proportional to 991,205.17, 1,367,836.56 and 583,331.04 is: 804,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,205.17 : 1,367,836.56 = 583,331.04 : x
  2. Step 2: Convert to fraction form
    991,205.17/1,367,836.56 = 583,331.04/x
  3. Step 3: Cross multiply
    991,205.17x = 1,367,836.56 × 583,331.04
  4. Step 4: Simplify right side
    991,205.17x = 797,901,523,094.82
  5. Step 5: Solve for x
    x = 797,901,523,094.82/991,205.17
  6. Step 6: Final answer
    x = 804,981.20

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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.