Home / 588,103.02-812,685.42-480,633.84

Finding the Fourth Proportional to 588,103.02, 812,685.42 and 480,633.84

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Solution

The fourth proportional to 588,103.02, 812,685.42 and 480,633.84 is: 664,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,103.02 : 812,685.42 = 480,633.84 : x
  2. Step 2: Convert to fraction form
    588,103.02/812,685.42 = 480,633.84/x
  3. Step 3: Cross multiply
    588,103.02x = 812,685.42 × 480,633.84
  4. Step 4: Simplify right side
    588,103.02x = 390,604,114,126.61
  5. Step 5: Solve for x
    x = 390,604,114,126.61/588,103.02
  6. Step 6: Final answer
    x = 664,176.34

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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.