Home / 651,664.20-977,496.30-178,397.40

Finding the Fourth Proportional to 651,664.20, 977,496.30 and 178,397.40

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Solution

The fourth proportional to 651,664.20, 977,496.30 and 178,397.40 is: 267,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,664.20 : 977,496.30 = 178,397.40 : x
  2. Step 2: Convert to fraction form
    651,664.20/977,496.30 = 178,397.40/x
  3. Step 3: Cross multiply
    651,664.20x = 977,496.30 × 178,397.40
  4. Step 4: Simplify right side
    651,664.20x = 174,382,798,429.62
  5. Step 5: Solve for x
    x = 174,382,798,429.62/651,664.20
  6. Step 6: Final answer
    x = 267,596.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.