Home / 1,488,357.52-2,232,495.96-423,472.72

Finding the Fourth Proportional to 1,488,357.52, 2,232,495.96 and 423,472.72

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Solution

The fourth proportional to 1,488,357.52, 2,232,495.96 and 423,472.72 is: 635,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,357.52 : 2,232,495.96 = 423,472.72 : x
  2. Step 2: Convert to fraction form
    1,488,357.52/2,232,495.96 = 423,472.72/x
  3. Step 3: Cross multiply
    1,488,357.52x = 2,232,495.96 × 423,472.72
  4. Step 4: Simplify right side
    1,488,357.52x = 945,401,136,570.21
  5. Step 5: Solve for x
    x = 945,401,136,570.21/1,488,357.52
  6. Step 6: Final answer
    x = 635,197.61

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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.