Home / 852,256.90-1,278,385.35-537,069.70

Finding the Fourth Proportional to 852,256.90, 1,278,385.35 and 537,069.70

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Solution

The fourth proportional to 852,256.90, 1,278,385.35 and 537,069.70 is: 805,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,256.90 : 1,278,385.35 = 537,069.70 : x
  2. Step 2: Convert to fraction form
    852,256.90/1,278,385.35 = 537,069.70/x
  3. Step 3: Cross multiply
    852,256.90x = 1,278,385.35 × 537,069.70
  4. Step 4: Simplify right side
    852,256.90x = 686,582,036,408.90
  5. Step 5: Solve for x
    x = 686,582,036,408.90/852,256.90
  6. Step 6: Final answer
    x = 805,604.55

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Double scale
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Similar ratio
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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.