Home / 835,554.24-1,152,943.20-477,789.12

Finding the Fourth Proportional to 835,554.24, 1,152,943.20 and 477,789.12

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Solution

The fourth proportional to 835,554.24, 1,152,943.20 and 477,789.12 is: 659,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,554.24 : 1,152,943.20 = 477,789.12 : x
  2. Step 2: Convert to fraction form
    835,554.24/1,152,943.20 = 477,789.12/x
  3. Step 3: Cross multiply
    835,554.24x = 1,152,943.20 × 477,789.12
  4. Step 4: Simplify right side
    835,554.24x = 550,863,716,937.98
  5. Step 5: Solve for x
    x = 550,863,716,937.98/835,554.24
  6. Step 6: Final answer
    x = 659,279.42

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Double scale
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Similar ratio
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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.