Home / 424,923.82-637,488.68-125,397.77

Finding the Fourth Proportional to 424,923.82, 637,488.68 and 125,397.77

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Solution

The fourth proportional to 424,923.82, 637,488.68 and 125,397.77 is: 188,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,923.82 : 637,488.68 = 125,397.77 : x
  2. Step 2: Convert to fraction form
    424,923.82/637,488.68 = 125,397.77/x
  3. Step 3: Cross multiply
    424,923.82x = 637,488.68 × 125,397.77
  4. Step 4: Simplify right side
    424,923.82x = 79,939,655,057.81
  5. Step 5: Solve for x
    x = 79,939,655,057.81/424,923.82
  6. Step 6: Final answer
    x = 188,127.03

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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.