Home / 871,276.32-1,202,346.16-484,095.31

Finding the Fourth Proportional to 871,276.32, 1,202,346.16 and 484,095.31

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Solution

The fourth proportional to 871,276.32, 1,202,346.16 and 484,095.31 is: 668,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,276.32 : 1,202,346.16 = 484,095.31 : x
  2. Step 2: Convert to fraction form
    871,276.32/1,202,346.16 = 484,095.31/x
  3. Step 3: Cross multiply
    871,276.32x = 1,202,346.16 × 484,095.31
  4. Step 4: Simplify right side
    871,276.32x = 582,050,131,040.78
  5. Step 5: Solve for x
    x = 582,050,131,040.78/871,276.32
  6. Step 6: Final answer
    x = 668,043.10

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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.