Home / 480,159.04-720,394.08-230,808.64

Finding the Fourth Proportional to 480,159.04, 720,394.08 and 230,808.64

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Solution

The fourth proportional to 480,159.04, 720,394.08 and 230,808.64 is: 346,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,159.04 : 720,394.08 = 230,808.64 : x
  2. Step 2: Convert to fraction form
    480,159.04/720,394.08 = 230,808.64/x
  3. Step 3: Cross multiply
    480,159.04x = 720,394.08 × 230,808.64
  4. Step 4: Simplify right side
    480,159.04x = 166,273,177,868.85
  5. Step 5: Solve for x
    x = 166,273,177,868.85/480,159.04
  6. Step 6: Final answer
    x = 346,287.72

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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.