Home / 825,470.26-1,139,390.85-539,034.82

Finding the Fourth Proportional to 825,470.26, 1,139,390.85 and 539,034.82

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Solution

The fourth proportional to 825,470.26, 1,139,390.85 and 539,034.82 is: 744,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,470.26 : 1,139,390.85 = 539,034.82 : x
  2. Step 2: Convert to fraction form
    825,470.26/1,139,390.85 = 539,034.82/x
  3. Step 3: Cross multiply
    825,470.26x = 1,139,390.85 × 539,034.82
  4. Step 4: Simplify right side
    825,470.26x = 614,171,341,739.40
  5. Step 5: Solve for x
    x = 614,171,341,739.40/825,470.26
  6. Step 6: Final answer
    x = 744,026.01

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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.