Home / 1,073,200.98-1,480,138.47-665,019.30

Finding the Fourth Proportional to 1,073,200.98, 1,480,138.47 and 665,019.30

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Solution

The fourth proportional to 1,073,200.98, 1,480,138.47 and 665,019.30 is: 917,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,200.98 : 1,480,138.47 = 665,019.30 : x
  2. Step 2: Convert to fraction form
    1,073,200.98/1,480,138.47 = 665,019.30/x
  3. Step 3: Cross multiply
    1,073,200.98x = 1,480,138.47 × 665,019.30
  4. Step 4: Simplify right side
    1,073,200.98x = 984,320,649,222.47
  5. Step 5: Solve for x
    x = 984,320,649,222.47/1,073,200.98
  6. Step 6: Final answer
    x = 917,182.03

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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.