Home / 769,746.60-1,152,870.30-395,332.20

Finding the Fourth Proportional to 769,746.60, 1,152,870.30 and 395,332.20

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Solution

The fourth proportional to 769,746.60, 1,152,870.30 and 395,332.20 is: 592,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,746.60 : 1,152,870.30 = 395,332.20 : x
  2. Step 2: Convert to fraction form
    769,746.60/1,152,870.30 = 395,332.20/x
  3. Step 3: Cross multiply
    769,746.60x = 1,152,870.30 × 395,332.20
  4. Step 4: Simplify right side
    769,746.60x = 455,766,752,013.66
  5. Step 5: Solve for x
    x = 455,766,752,013.66/769,746.60
  6. Step 6: Final answer
    x = 592,099.73

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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.