Home / 1,109,613.63-1,531,251.68-619,590.71

Finding the Fourth Proportional to 1,109,613.63, 1,531,251.68 and 619,590.71

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Solution

The fourth proportional to 1,109,613.63, 1,531,251.68 and 619,590.71 is: 855,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,613.63 : 1,531,251.68 = 619,590.71 : x
  2. Step 2: Convert to fraction form
    1,109,613.63/1,531,251.68 = 619,590.71/x
  3. Step 3: Cross multiply
    1,109,613.63x = 1,531,251.68 × 619,590.71
  4. Step 4: Simplify right side
    1,109,613.63x = 948,749,320,977.00
  5. Step 5: Solve for x
    x = 948,749,320,977.00/1,109,613.63
  6. Step 6: Final answer
    x = 855,026.74

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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.