Home / 461,710.02-692,784.20-319,773.72

Finding the Fourth Proportional to 461,710.02, 692,784.20 and 319,773.72

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Solution

The fourth proportional to 461,710.02, 692,784.20 and 319,773.72 is: 479,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,710.02 : 692,784.20 = 319,773.72 : x
  2. Step 2: Convert to fraction form
    461,710.02/692,784.20 = 319,773.72/x
  3. Step 3: Cross multiply
    461,710.02x = 692,784.20 × 319,773.72
  4. Step 4: Simplify right side
    461,710.02x = 221,534,175,728.43
  5. Step 5: Solve for x
    x = 221,534,175,728.43/461,710.02
  6. Step 6: Final answer
    x = 479,812.37

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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.