Home / 1,004,659.20-1,386,420.48-545,767.68

Finding the Fourth Proportional to 1,004,659.20, 1,386,420.48 and 545,767.68

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Solution

The fourth proportional to 1,004,659.20, 1,386,420.48 and 545,767.68 is: 753,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,659.20 : 1,386,420.48 = 545,767.68 : x
  2. Step 2: Convert to fraction form
    1,004,659.20/1,386,420.48 = 545,767.68/x
  3. Step 3: Cross multiply
    1,004,659.20x = 1,386,420.48 × 545,767.68
  4. Step 4: Simplify right side
    1,004,659.20x = 756,663,488,874.09
  5. Step 5: Solve for x
    x = 756,663,488,874.09/1,004,659.20
  6. Step 6: Final answer
    x = 753,154.39

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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.