Home / 991,853.07-1,368,758.13-539,144.07

Finding the Fourth Proportional to 991,853.07, 1,368,758.13 and 539,144.07

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Solution

The fourth proportional to 991,853.07, 1,368,758.13 and 539,144.07 is: 744,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,853.07 : 1,368,758.13 = 539,144.07 : x
  2. Step 2: Convert to fraction form
    991,853.07/1,368,758.13 = 539,144.07/x
  3. Step 3: Cross multiply
    991,853.07x = 1,368,758.13 × 539,144.07
  4. Step 4: Simplify right side
    991,853.07x = 737,957,829,053.79
  5. Step 5: Solve for x
    x = 737,957,829,053.79/991,853.07
  6. Step 6: Final answer
    x = 744,019.30

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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.