Home / 480,579.67-663,143.52-265,706.92

Finding the Fourth Proportional to 480,579.67, 663,143.52 and 265,706.92

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Solution

The fourth proportional to 480,579.67, 663,143.52 and 265,706.92 is: 366,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,579.67 : 663,143.52 = 265,706.92 : x
  2. Step 2: Convert to fraction form
    480,579.67/663,143.52 = 265,706.92/x
  3. Step 3: Cross multiply
    480,579.67x = 663,143.52 × 265,706.92
  4. Step 4: Simplify right side
    480,579.67x = 176,201,822,217.16
  5. Step 5: Solve for x
    x = 176,201,822,217.16/480,579.67
  6. Step 6: Final answer
    x = 366,644.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.