Home / 452,823.09-679,357.17-153,303.72

Finding the Fourth Proportional to 452,823.09, 679,357.17 and 153,303.72

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Solution

The fourth proportional to 452,823.09, 679,357.17 and 153,303.72 is: 229,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,823.09 : 679,357.17 = 153,303.72 : x
  2. Step 2: Convert to fraction form
    452,823.09/679,357.17 = 153,303.72/x
  3. Step 3: Cross multiply
    452,823.09x = 679,357.17 × 153,303.72
  4. Step 4: Simplify right side
    452,823.09x = 104,147,981,369.67
  5. Step 5: Solve for x
    x = 104,147,981,369.67/452,823.09
  6. Step 6: Final answer
    x = 229,997.06

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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.