Home / 1,185,899.72-1,778,898.78-344,451.47

Finding the Fourth Proportional to 1,185,899.72, 1,778,898.78 and 344,451.47

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Solution

The fourth proportional to 1,185,899.72, 1,778,898.78 and 344,451.47 is: 516,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,899.72 : 1,778,898.78 = 344,451.47 : x
  2. Step 2: Convert to fraction form
    1,185,899.72/1,778,898.78 = 344,451.47/x
  3. Step 3: Cross multiply
    1,185,899.72x = 1,778,898.78 × 344,451.47
  4. Step 4: Simplify right side
    1,185,899.72x = 612,744,290,857.71
  5. Step 5: Solve for x
    x = 612,744,290,857.71/1,185,899.72
  6. Step 6: Final answer
    x = 516,691.49

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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.