Home / 852,219.40-1,278,329.10-537,032.20

Finding the Fourth Proportional to 852,219.40, 1,278,329.10 and 537,032.20

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Solution

The fourth proportional to 852,219.40, 1,278,329.10 and 537,032.20 is: 805,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,219.40 : 1,278,329.10 = 537,032.20 : x
  2. Step 2: Convert to fraction form
    852,219.40/1,278,329.10 = 537,032.20/x
  3. Step 3: Cross multiply
    852,219.40x = 1,278,329.10 × 537,032.20
  4. Step 4: Simplify right side
    852,219.40x = 686,503,888,897.02
  5. Step 5: Solve for x
    x = 686,503,888,897.02/852,219.40
  6. Step 6: Final answer
    x = 805,548.30

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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.