Home / 972,023.10-1,458,034.65-688,587.90

Finding the Fourth Proportional to 972,023.10, 1,458,034.65 and 688,587.90

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Solution

The fourth proportional to 972,023.10, 1,458,034.65 and 688,587.90 is: 1,032,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,023.10 : 1,458,034.65 = 688,587.90 : x
  2. Step 2: Convert to fraction form
    972,023.10/1,458,034.65 = 688,587.90/x
  3. Step 3: Cross multiply
    972,023.10x = 1,458,034.65 × 688,587.90
  4. Step 4: Simplify right side
    972,023.10x = 1,003,985,017,770.74
  5. Step 5: Solve for x
    x = 1,003,985,017,770.74/972,023.10
  6. Step 6: Final answer
    x = 1,032,881.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.