Home / 480,821.60-663,475.68-265,932.32

Finding the Fourth Proportional to 480,821.60, 663,475.68 and 265,932.32

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Solution

The fourth proportional to 480,821.60, 663,475.68 and 265,932.32 is: 366,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,821.60 : 663,475.68 = 265,932.32 : x
  2. Step 2: Convert to fraction form
    480,821.60/663,475.68 = 265,932.32/x
  3. Step 3: Cross multiply
    480,821.60x = 663,475.68 × 265,932.32
  4. Step 4: Simplify right side
    480,821.60x = 176,439,626,845.98
  5. Step 5: Solve for x
    x = 176,439,626,845.98/480,821.60
  6. Step 6: Final answer
    x = 366,954.45

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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.