Home / 1,663,575.14-2,295,716.10-938,658.76

Finding the Fourth Proportional to 1,663,575.14, 2,295,716.10 and 938,658.76

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Solution

The fourth proportional to 1,663,575.14, 2,295,716.10 and 938,658.76 is: 1,295,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,575.14 : 2,295,716.10 = 938,658.76 : x
  2. Step 2: Convert to fraction form
    1,663,575.14/2,295,716.10 = 938,658.76/x
  3. Step 3: Cross multiply
    1,663,575.14x = 2,295,716.10 × 938,658.76
  4. Step 4: Simplify right side
    1,663,575.14x = 2,154,894,027,738.04
  5. Step 5: Solve for x
    x = 2,154,894,027,738.04/1,663,575.14
  6. Step 6: Final answer
    x = 1,295,339.16

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.