Home / 992,378.96-1,369,470.12-539,660.24

Finding the Fourth Proportional to 992,378.96, 1,369,470.12 and 539,660.24

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Solution

The fourth proportional to 992,378.96, 1,369,470.12 and 539,660.24 is: 744,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,378.96 : 1,369,470.12 = 539,660.24 : x
  2. Step 2: Convert to fraction form
    992,378.96/1,369,470.12 = 539,660.24/x
  3. Step 3: Cross multiply
    992,378.96x = 1,369,470.12 × 539,660.24
  4. Step 4: Simplify right side
    992,378.96x = 739,048,573,632.03
  5. Step 5: Solve for x
    x = 739,048,573,632.03/992,378.96
  6. Step 6: Final answer
    x = 744,724.15

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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.