Home / 871,947.90-1,203,142.65-484,752.51

Finding the Fourth Proportional to 871,947.90, 1,203,142.65 and 484,752.51

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Solution

The fourth proportional to 871,947.90, 1,203,142.65 and 484,752.51 is: 668,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,947.90 : 1,203,142.65 = 484,752.51 : x
  2. Step 2: Convert to fraction form
    871,947.90/1,203,142.65 = 484,752.51/x
  3. Step 3: Cross multiply
    871,947.90x = 1,203,142.65 × 484,752.51
  4. Step 4: Simplify right side
    871,947.90x = 583,226,417,657.73
  5. Step 5: Solve for x
    x = 583,226,417,657.73/871,947.90
  6. Step 6: Final answer
    x = 668,877.60

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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.