Home / 2,689,659.40-4,034,489.10-983,799.40

Finding the Fourth Proportional to 2,689,659.40, 4,034,489.10 and 983,799.40

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Solution

The fourth proportional to 2,689,659.40, 4,034,489.10 and 983,799.40 is: 1,475,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,659.40 : 4,034,489.10 = 983,799.40 : x
  2. Step 2: Convert to fraction form
    2,689,659.40/4,034,489.10 = 983,799.40/x
  3. Step 3: Cross multiply
    2,689,659.40x = 4,034,489.10 × 983,799.40
  4. Step 4: Simplify right side
    2,689,659.40x = 3,969,127,955,886.54
  5. Step 5: Solve for x
    x = 3,969,127,955,886.54/2,689,659.40
  6. Step 6: Final answer
    x = 1,475,699.10

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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.