Home / 1,008,520.11-1,391,717.15-549,624.80

Finding the Fourth Proportional to 1,008,520.11, 1,391,717.15 and 549,624.80

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Solution

The fourth proportional to 1,008,520.11, 1,391,717.15 and 549,624.80 is: 758,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,520.11 : 1,391,717.15 = 549,624.80 : x
  2. Step 2: Convert to fraction form
    1,008,520.11/1,391,717.15 = 549,624.80/x
  3. Step 3: Cross multiply
    1,008,520.11x = 1,391,717.15 × 549,624.80
  4. Step 4: Simplify right side
    1,008,520.11x = 764,922,262,425.44
  5. Step 5: Solve for x
    x = 764,922,262,425.44/1,008,520.11
  6. Step 6: Final answer
    x = 758,460.10

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Double scale
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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.