Home / 1,059,547.20-1,589,320.80-260,818.35

Finding the Fourth Proportional to 1,059,547.20, 1,589,320.80 and 260,818.35

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Solution

The fourth proportional to 1,059,547.20, 1,589,320.80 and 260,818.35 is: 391,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,547.20 : 1,589,320.80 = 260,818.35 : x
  2. Step 2: Convert to fraction form
    1,059,547.20/1,589,320.80 = 260,818.35/x
  3. Step 3: Cross multiply
    1,059,547.20x = 1,589,320.80 × 260,818.35
  4. Step 4: Simplify right side
    1,059,547.20x = 414,524,028,676.68
  5. Step 5: Solve for x
    x = 414,524,028,676.68/1,059,547.20
  6. Step 6: Final answer
    x = 391,227.53

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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.