Home / 865,266.52-1,298,713.83-439,108.24

Finding the Fourth Proportional to 865,266.52, 1,298,713.83 and 439,108.24

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Solution

The fourth proportional to 865,266.52, 1,298,713.83 and 439,108.24 is: 659,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,266.52 : 1,298,713.83 = 439,108.24 : x
  2. Step 2: Convert to fraction form
    865,266.52/1,298,713.83 = 439,108.24/x
  3. Step 3: Cross multiply
    865,266.52x = 1,298,713.83 × 439,108.24
  4. Step 4: Simplify right side
    865,266.52x = 570,275,944,154.96
  5. Step 5: Solve for x
    x = 570,275,944,154.96/865,266.52
  6. Step 6: Final answer
    x = 659,075.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.