Home / 424,945.46-637,269.66-125,346.51

Finding the Fourth Proportional to 424,945.46, 637,269.66 and 125,346.51

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Solution

The fourth proportional to 424,945.46, 637,269.66 and 125,346.51 is: 187,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,945.46 : 637,269.66 = 125,346.51 : x
  2. Step 2: Convert to fraction form
    424,945.46/637,269.66 = 125,346.51/x
  3. Step 3: Cross multiply
    424,945.46x = 637,269.66 × 125,346.51
  4. Step 4: Simplify right side
    424,945.46x = 79,879,527,809.89
  5. Step 5: Solve for x
    x = 79,879,527,809.89/424,945.46
  6. Step 6: Final answer
    x = 187,975.95

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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.