Home / 480,631.88-663,258.84-265,764.80

Finding the Fourth Proportional to 480,631.88, 663,258.84 and 265,764.80

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Solution

The fourth proportional to 480,631.88, 663,258.84 and 265,764.80 is: 366,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,631.88 : 663,258.84 = 265,764.80 : x
  2. Step 2: Convert to fraction form
    480,631.88/663,258.84 = 265,764.80/x
  3. Step 3: Cross multiply
    480,631.88x = 663,258.84 × 265,764.80
  4. Step 4: Simplify right side
    480,631.88x = 176,270,852,960.83
  5. Step 5: Solve for x
    x = 176,270,852,960.83/480,631.88
  6. Step 6: Final answer
    x = 366,748.15

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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.