Home / 984,139.60-1,472,272.80-852,482.20

Finding the Fourth Proportional to 984,139.60, 1,472,272.80 and 852,482.20

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Solution

The fourth proportional to 984,139.60, 1,472,272.80 and 852,482.20 is: 1,275,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,139.60 : 1,472,272.80 = 852,482.20 : x
  2. Step 2: Convert to fraction form
    984,139.60/1,472,272.80 = 852,482.20/x
  3. Step 3: Cross multiply
    984,139.60x = 1,472,272.80 × 852,482.20
  4. Step 4: Simplify right side
    984,139.60x = 1,255,086,355,544.16
  5. Step 5: Solve for x
    x = 1,255,086,355,544.16/984,139.60
  6. Step 6: Final answer
    x = 1,275,313.34

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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.