Home / 1,011,876.16-1,396,388.64-559,163.20

Finding the Fourth Proportional to 1,011,876.16, 1,396,388.64 and 559,163.20

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Solution

The fourth proportional to 1,011,876.16, 1,396,388.64 and 559,163.20 is: 771,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,876.16 : 1,396,388.64 = 559,163.20 : x
  2. Step 2: Convert to fraction form
    1,011,876.16/1,396,388.64 = 559,163.20/x
  3. Step 3: Cross multiply
    1,011,876.16x = 1,396,388.64 × 559,163.20
  4. Step 4: Simplify right side
    1,011,876.16x = 780,809,140,386.05
  5. Step 5: Solve for x
    x = 780,809,140,386.05/1,011,876.16
  6. Step 6: Final answer
    x = 771,644.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.