Home / 791,985.57-1,092,947.90-429,408.51

Finding the Fourth Proportional to 791,985.57, 1,092,947.90 and 429,408.51

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Solution

The fourth proportional to 791,985.57, 1,092,947.90 and 429,408.51 is: 592,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,985.57 : 1,092,947.90 = 429,408.51 : x
  2. Step 2: Convert to fraction form
    791,985.57/1,092,947.90 = 429,408.51/x
  3. Step 3: Cross multiply
    791,985.57x = 1,092,947.90 × 429,408.51
  4. Step 4: Simplify right side
    791,985.57x = 469,321,127,099.59
  5. Step 5: Solve for x
    x = 469,321,127,099.59/791,985.57
  6. Step 6: Final answer
    x = 592,587.98

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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.