Home / 959,612.40-1,438,727.40-539,017.20

Finding the Fourth Proportional to 959,612.40, 1,438,727.40 and 539,017.20

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Solution

The fourth proportional to 959,612.40, 1,438,727.40 and 539,017.20 is: 808,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,612.40 : 1,438,727.40 = 539,017.20 : x
  2. Step 2: Convert to fraction form
    959,612.40/1,438,727.40 = 539,017.20/x
  3. Step 3: Cross multiply
    959,612.40x = 1,438,727.40 × 539,017.20
  4. Step 4: Simplify right side
    959,612.40x = 775,498,814,711.28
  5. Step 5: Solve for x
    x = 775,498,814,711.28/959,612.40
  6. Step 6: Final answer
    x = 808,137.55

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1.5x scale

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.