Home / 480,330.14-662,815.71-265,470.21

Finding the Fourth Proportional to 480,330.14, 662,815.71 and 265,470.21

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Solution

The fourth proportional to 480,330.14, 662,815.71 and 265,470.21 is: 366,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,330.14 : 662,815.71 = 265,470.21 : x
  2. Step 2: Convert to fraction form
    480,330.14/662,815.71 = 265,470.21/x
  3. Step 3: Cross multiply
    480,330.14x = 662,815.71 × 265,470.21
  4. Step 4: Simplify right side
    480,330.14x = 175,957,825,725.00
  5. Step 5: Solve for x
    x = 175,957,825,725.00/480,330.14
  6. Step 6: Final answer
    x = 366,326.85

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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.