Home / 992,480.24-1,369,624.20-539,770.16

Finding the Fourth Proportional to 992,480.24, 1,369,624.20 and 539,770.16

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Solution

The fourth proportional to 992,480.24, 1,369,624.20 and 539,770.16 is: 744,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,480.24 : 1,369,624.20 = 539,770.16 : x
  2. Step 2: Convert to fraction form
    992,480.24/1,369,624.20 = 539,770.16/x
  3. Step 3: Cross multiply
    992,480.24x = 1,369,624.20 × 539,770.16
  4. Step 4: Simplify right side
    992,480.24x = 739,282,273,573.87
  5. Step 5: Solve for x
    x = 739,282,273,573.87/992,480.24
  6. Step 6: Final answer
    x = 744,883.62

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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.