Home / 861,330.02-1,188,594.59-474,137.46

Finding the Fourth Proportional to 861,330.02, 1,188,594.59 and 474,137.46

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Solution

The fourth proportional to 861,330.02, 1,188,594.59 and 474,137.46 is: 654,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,330.02 : 1,188,594.59 = 474,137.46 : x
  2. Step 2: Convert to fraction form
    861,330.02/1,188,594.59 = 474,137.46/x
  3. Step 3: Cross multiply
    861,330.02x = 1,188,594.59 × 474,137.46
  4. Step 4: Simplify right side
    861,330.02x = 563,557,223,840.38
  5. Step 5: Solve for x
    x = 563,557,223,840.38/861,330.02
  6. Step 6: Final answer
    x = 654,287.22

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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.