Home / 811,182.47-1,119,425.27-448,621.61

Finding the Fourth Proportional to 811,182.47, 1,119,425.27 and 448,621.61

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Solution

The fourth proportional to 811,182.47, 1,119,425.27 and 448,621.61 is: 619,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,182.47 : 1,119,425.27 = 448,621.61 : x
  2. Step 2: Convert to fraction form
    811,182.47/1,119,425.27 = 448,621.61/x
  3. Step 3: Cross multiply
    811,182.47x = 1,119,425.27 × 448,621.61
  4. Step 4: Simplify right side
    811,182.47x = 502,198,359,061.85
  5. Step 5: Solve for x
    x = 502,198,359,061.85/811,182.47
  6. Step 6: Final answer
    x = 619,094.20

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Double scale
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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.