Home / 1,251,628.20-1,877,442.30-753,964.20

Finding the Fourth Proportional to 1,251,628.20, 1,877,442.30 and 753,964.20

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Solution

The fourth proportional to 1,251,628.20, 1,877,442.30 and 753,964.20 is: 1,130,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,628.20 : 1,877,442.30 = 753,964.20 : x
  2. Step 2: Convert to fraction form
    1,251,628.20/1,877,442.30 = 753,964.20/x
  3. Step 3: Cross multiply
    1,251,628.20x = 1,877,442.30 × 753,964.20
  4. Step 4: Simplify right side
    1,251,628.20x = 1,415,524,281,765.66
  5. Step 5: Solve for x
    x = 1,415,524,281,765.66/1,251,628.20
  6. Step 6: Final answer
    x = 1,130,946.30

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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.