Home / 1,536,223.24-2,119,986.76-857,159.76

Finding the Fourth Proportional to 1,536,223.24, 2,119,986.76 and 857,159.76

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Solution

The fourth proportional to 1,536,223.24, 2,119,986.76 and 857,159.76 is: 1,182,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,223.24 : 2,119,986.76 = 857,159.76 : x
  2. Step 2: Convert to fraction form
    1,536,223.24/2,119,986.76 = 857,159.76/x
  3. Step 3: Cross multiply
    1,536,223.24x = 2,119,986.76 × 857,159.76
  4. Step 4: Simplify right side
    1,536,223.24x = 1,817,167,342,404.78
  5. Step 5: Solve for x
    x = 1,817,167,342,404.78/1,536,223.24
  6. Step 6: Final answer
    x = 1,182,879.74

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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.