Home / 852,291.40-1,278,437.10-537,104.20

Finding the Fourth Proportional to 852,291.40, 1,278,437.10 and 537,104.20

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Solution

The fourth proportional to 852,291.40, 1,278,437.10 and 537,104.20 is: 805,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,291.40 : 1,278,437.10 = 537,104.20 : x
  2. Step 2: Convert to fraction form
    852,291.40/1,278,437.10 = 537,104.20/x
  3. Step 3: Cross multiply
    852,291.40x = 1,278,437.10 × 537,104.20
  4. Step 4: Simplify right side
    852,291.40x = 686,653,935,845.82
  5. Step 5: Solve for x
    x = 686,653,935,845.82/852,291.40
  6. Step 6: Final answer
    x = 805,656.30

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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.