Home / 1,013,992.59-1,399,662-627,104.19

Finding the Fourth Proportional to 1,013,992.59, 1,399,662 and 627,104.19

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Solution

The fourth proportional to 1,013,992.59, 1,399,662 and 627,104.19 is: 865,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,992.59 : 1,399,662 = 627,104.19 : x
  2. Step 2: Convert to fraction form
    1,013,992.59/1,399,662 = 627,104.19/x
  3. Step 3: Cross multiply
    1,013,992.59x = 1,399,662 × 627,104.19
  4. Step 4: Simplify right side
    1,013,992.59x = 877,733,904,783.78
  5. Step 5: Solve for x
    x = 877,733,904,783.78/1,013,992.59
  6. Step 6: Final answer
    x = 865,621.62

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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.