Home / 810,234.05-1,118,167.83-447,650.13

Finding the Fourth Proportional to 810,234.05, 1,118,167.83 and 447,650.13

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Solution

The fourth proportional to 810,234.05, 1,118,167.83 and 447,650.13 is: 617,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,234.05 : 1,118,167.83 = 447,650.13 : x
  2. Step 2: Convert to fraction form
    810,234.05/1,118,167.83 = 447,650.13/x
  3. Step 3: Cross multiply
    810,234.05x = 1,118,167.83 × 447,650.13
  4. Step 4: Simplify right side
    810,234.05x = 500,547,974,461.32
  5. Step 5: Solve for x
    x = 500,547,974,461.32/810,234.05
  6. Step 6: Final answer
    x = 617,781.96

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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.