Home / 752,671.80-1,039,549.12-495,697.46

Finding the Fourth Proportional to 752,671.80, 1,039,549.12 and 495,697.46

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Solution

The fourth proportional to 752,671.80, 1,039,549.12 and 495,697.46 is: 684,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,671.80 : 1,039,549.12 = 495,697.46 : x
  2. Step 2: Convert to fraction form
    752,671.80/1,039,549.12 = 495,697.46/x
  3. Step 3: Cross multiply
    752,671.80x = 1,039,549.12 × 495,697.46
  4. Step 4: Simplify right side
    752,671.80x = 515,301,851,892.25
  5. Step 5: Solve for x
    x = 515,301,851,892.25/752,671.80
  6. Step 6: Final answer
    x = 684,630.21

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1.5x scale

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.