Home / 472,154.46-707,639.03-371,918.79

Finding the Fourth Proportional to 472,154.46, 707,639.03 and 371,918.79

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Solution

The fourth proportional to 472,154.46, 707,639.03 and 371,918.79 is: 557,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,154.46 : 707,639.03 = 371,918.79 : x
  2. Step 2: Convert to fraction form
    472,154.46/707,639.03 = 371,918.79/x
  3. Step 3: Cross multiply
    472,154.46x = 707,639.03 × 371,918.79
  4. Step 4: Simplify right side
    472,154.46x = 263,184,246,396.59
  5. Step 5: Solve for x
    x = 263,184,246,396.59/472,154.46
  6. Step 6: Final answer
    x = 557,411.33

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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.