Home / 991,114.31-1,367,621.72-583,126.43

Finding the Fourth Proportional to 991,114.31, 1,367,621.72 and 583,126.43

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Solution

The fourth proportional to 991,114.31, 1,367,621.72 and 583,126.43 is: 804,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,114.31 : 1,367,621.72 = 583,126.43 : x
  2. Step 2: Convert to fraction form
    991,114.31/1,367,621.72 = 583,126.43/x
  3. Step 3: Cross multiply
    991,114.31x = 1,367,621.72 × 583,126.43
  4. Step 4: Simplify right side
    991,114.31x = 797,496,363,607.04
  5. Step 5: Solve for x
    x = 797,496,363,607.04/991,114.31
  6. Step 6: Final answer
    x = 804,646.20

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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.