Home / 480,664.90-720,934.69-125,706.30

Finding the Fourth Proportional to 480,664.90, 720,934.69 and 125,706.30

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Solution

The fourth proportional to 480,664.90, 720,934.69 and 125,706.30 is: 188,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,664.90 : 720,934.69 = 125,706.30 : x
  2. Step 2: Convert to fraction form
    480,664.90/720,934.69 = 125,706.30/x
  3. Step 3: Cross multiply
    480,664.90x = 720,934.69 × 125,706.30
  4. Step 4: Simplify right side
    480,664.90x = 90,626,032,421.55
  5. Step 5: Solve for x
    x = 90,626,032,421.55/480,664.90
  6. Step 6: Final answer
    x = 188,543.06

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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.