Home / 684,081.44-944,298.78-612,337.28

Finding the Fourth Proportional to 684,081.44, 944,298.78 and 612,337.28

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Solution

The fourth proportional to 684,081.44, 944,298.78 and 612,337.28 is: 845,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,081.44 : 944,298.78 = 612,337.28 : x
  2. Step 2: Convert to fraction form
    684,081.44/944,298.78 = 612,337.28/x
  3. Step 3: Cross multiply
    684,081.44x = 944,298.78 × 612,337.28
  4. Step 4: Simplify right side
    684,081.44x = 578,229,346,452.52
  5. Step 5: Solve for x
    x = 578,229,346,452.52/684,081.44
  6. Step 6: Final answer
    x = 845,263.90

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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.