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Finding the Fourth Proportional to 975,129.80, 1,462,694.70 and 888,038.60

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Solution

The fourth proportional to 975,129.80, 1,462,694.70 and 888,038.60 is: 1,332,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,129.80 : 1,462,694.70 = 888,038.60 : x
  2. Step 2: Convert to fraction form
    975,129.80/1,462,694.70 = 888,038.60/x
  3. Step 3: Cross multiply
    975,129.80x = 1,462,694.70 × 888,038.60
  4. Step 4: Simplify right side
    975,129.80x = 1,298,929,353,615.42
  5. Step 5: Solve for x
    x = 1,298,929,353,615.42/975,129.80
  6. Step 6: Final answer
    x = 1,332,057.90

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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.