Home / 887,648.20-1,330,694.70-532,803.40

Finding the Fourth Proportional to 887,648.20, 1,330,694.70 and 532,803.40

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Solution

The fourth proportional to 887,648.20, 1,330,694.70 and 532,803.40 is: 798,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,648.20 : 1,330,694.70 = 532,803.40 : x
  2. Step 2: Convert to fraction form
    887,648.20/1,330,694.70 = 532,803.40/x
  3. Step 3: Cross multiply
    887,648.20x = 1,330,694.70 × 532,803.40
  4. Step 4: Simplify right side
    887,648.20x = 708,998,660,521.98
  5. Step 5: Solve for x
    x = 708,998,660,521.98/887,648.20
  6. Step 6: Final answer
    x = 798,738.35

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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.