Home / 885,890.30-1,327,304.55-411,602.90

Finding the Fourth Proportional to 885,890.30, 1,327,304.55 and 411,602.90

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Solution

The fourth proportional to 885,890.30, 1,327,304.55 and 411,602.90 is: 616,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,890.30 : 1,327,304.55 = 411,602.90 : x
  2. Step 2: Convert to fraction form
    885,890.30/1,327,304.55 = 411,602.90/x
  3. Step 3: Cross multiply
    885,890.30x = 1,327,304.55 × 411,602.90
  4. Step 4: Simplify right side
    885,890.30x = 546,322,401,963.20
  5. Step 5: Solve for x
    x = 546,322,401,963.20/885,890.30
  6. Step 6: Final answer
    x = 616,693.06

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1.5x scale

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.