Home / 856,328.88-1,181,719.08-474,347.64

Finding the Fourth Proportional to 856,328.88, 1,181,719.08 and 474,347.64

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Solution

The fourth proportional to 856,328.88, 1,181,719.08 and 474,347.64 is: 654,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,328.88 : 1,181,719.08 = 474,347.64 : x
  2. Step 2: Convert to fraction form
    856,328.88/1,181,719.08 = 474,347.64/x
  3. Step 3: Cross multiply
    856,328.88x = 1,181,719.08 × 474,347.64
  4. Step 4: Simplify right side
    856,328.88x = 560,545,656,740.97
  5. Step 5: Solve for x
    x = 560,545,656,740.97/856,328.88
  6. Step 6: Final answer
    x = 654,591.56

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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.