Home / 3,103,715.40-4,655,573.10-859,853.40

Finding the Fourth Proportional to 3,103,715.40, 4,655,573.10 and 859,853.40

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Solution

The fourth proportional to 3,103,715.40, 4,655,573.10 and 859,853.40 is: 1,289,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,715.40 : 4,655,573.10 = 859,853.40 : x
  2. Step 2: Convert to fraction form
    3,103,715.40/4,655,573.10 = 859,853.40/x
  3. Step 3: Cross multiply
    3,103,715.40x = 4,655,573.10 × 859,853.40
  4. Step 4: Simplify right side
    3,103,715.40x = 4,003,110,358,983.54
  5. Step 5: Solve for x
    x = 4,003,110,358,983.54/3,103,715.40
  6. Step 6: Final answer
    x = 1,289,780.10

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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.