Home / 1,152,749.04-1,591,131.52-669,531.40

Finding the Fourth Proportional to 1,152,749.04, 1,591,131.52 and 669,531.40

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Solution

The fourth proportional to 1,152,749.04, 1,591,131.52 and 669,531.40 is: 924,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,749.04 : 1,591,131.52 = 669,531.40 : x
  2. Step 2: Convert to fraction form
    1,152,749.04/1,591,131.52 = 669,531.40/x
  3. Step 3: Cross multiply
    1,152,749.04x = 1,591,131.52 × 669,531.40
  4. Step 4: Simplify right side
    1,152,749.04x = 1,065,312,514,169.73
  5. Step 5: Solve for x
    x = 1,065,312,514,169.73/1,152,749.04
  6. Step 6: Final answer
    x = 924,149.56

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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.