Home / 931,306.55-1,285,208.17-544,144.70

Finding the Fourth Proportional to 931,306.55, 1,285,208.17 and 544,144.70

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Solution

The fourth proportional to 931,306.55, 1,285,208.17 and 544,144.70 is: 750,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,306.55 : 1,285,208.17 = 544,144.70 : x
  2. Step 2: Convert to fraction form
    931,306.55/1,285,208.17 = 544,144.70/x
  3. Step 3: Cross multiply
    931,306.55x = 1,285,208.17 × 544,144.70
  4. Step 4: Simplify right side
    931,306.55x = 699,339,215,954.86
  5. Step 5: Solve for x
    x = 699,339,215,954.86/931,306.55
  6. Step 6: Final answer
    x = 750,922.69

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1.5x scale

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.