Home / 623,999.15-861,044.72-352,051.17

Finding the Fourth Proportional to 623,999.15, 861,044.72 and 352,051.17

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Solution

The fourth proportional to 623,999.15, 861,044.72 and 352,051.17 is: 485,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,999.15 : 861,044.72 = 352,051.17 : x
  2. Step 2: Convert to fraction form
    623,999.15/861,044.72 = 352,051.17/x
  3. Step 3: Cross multiply
    623,999.15x = 861,044.72 × 352,051.17
  4. Step 4: Simplify right side
    623,999.15x = 303,131,801,098.32
  5. Step 5: Solve for x
    x = 303,131,801,098.32/623,999.15
  6. Step 6: Final answer
    x = 485,788.80

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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.