Home / 977,119.80-1,465,679.70-267,219.60

Finding the Fourth Proportional to 977,119.80, 1,465,679.70 and 267,219.60

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Solution

The fourth proportional to 977,119.80, 1,465,679.70 and 267,219.60 is: 400,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,119.80 : 1,465,679.70 = 267,219.60 : x
  2. Step 2: Convert to fraction form
    977,119.80/1,465,679.70 = 267,219.60/x
  3. Step 3: Cross multiply
    977,119.80x = 1,465,679.70 × 267,219.60
  4. Step 4: Simplify right side
    977,119.80x = 391,658,343,162.12
  5. Step 5: Solve for x
    x = 391,658,343,162.12/977,119.80
  6. Step 6: Final answer
    x = 400,829.40

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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.