Home / 888,853.54-1,226,403.79-539,983.81

Finding the Fourth Proportional to 888,853.54, 1,226,403.79 and 539,983.81

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Solution

The fourth proportional to 888,853.54, 1,226,403.79 and 539,983.81 is: 745,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,853.54 : 1,226,403.79 = 539,983.81 : x
  2. Step 2: Convert to fraction form
    888,853.54/1,226,403.79 = 539,983.81/x
  3. Step 3: Cross multiply
    888,853.54x = 1,226,403.79 × 539,983.81
  4. Step 4: Simplify right side
    888,853.54x = 662,238,182,290.70
  5. Step 5: Solve for x
    x = 662,238,182,290.70/888,853.54
  6. Step 6: Final answer
    x = 745,047.59

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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.