Home / 926,151.12-1,278,053.64-523,751.76

Finding the Fourth Proportional to 926,151.12, 1,278,053.64 and 523,751.76

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Solution

The fourth proportional to 926,151.12, 1,278,053.64 and 523,751.76 is: 722,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,151.12 : 1,278,053.64 = 523,751.76 : x
  2. Step 2: Convert to fraction form
    926,151.12/1,278,053.64 = 523,751.76/x
  3. Step 3: Cross multiply
    926,151.12x = 1,278,053.64 × 523,751.76
  4. Step 4: Simplify right side
    926,151.12x = 669,382,843,324.41
  5. Step 5: Solve for x
    x = 669,382,843,324.41/926,151.12
  6. Step 6: Final answer
    x = 722,757.69

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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.