Home / 933,189.98-1,287,826.22-525,306.43

Finding the Fourth Proportional to 933,189.98, 1,287,826.22 and 525,306.43

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Solution

The fourth proportional to 933,189.98, 1,287,826.22 and 525,306.43 is: 724,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,189.98 : 1,287,826.22 = 525,306.43 : x
  2. Step 2: Convert to fraction form
    933,189.98/1,287,826.22 = 525,306.43/x
  3. Step 3: Cross multiply
    933,189.98x = 1,287,826.22 × 525,306.43
  4. Step 4: Simplify right side
    933,189.98x = 676,503,385,022.93
  5. Step 5: Solve for x
    x = 676,503,385,022.93/933,189.98
  6. Step 6: Final answer
    x = 724,936.40

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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.