Home / 805,635.02-1,111,754.12-443,058.89

Finding the Fourth Proportional to 805,635.02, 1,111,754.12 and 443,058.89

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Solution

The fourth proportional to 805,635.02, 1,111,754.12 and 443,058.89 is: 611,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,635.02 : 1,111,754.12 = 443,058.89 : x
  2. Step 2: Convert to fraction form
    805,635.02/1,111,754.12 = 443,058.89/x
  3. Step 3: Cross multiply
    805,635.02x = 1,111,754.12 × 443,058.89
  4. Step 4: Simplify right side
    805,635.02x = 492,572,546,360.13
  5. Step 5: Solve for x
    x = 492,572,546,360.13/805,635.02
  6. Step 6: Final answer
    x = 611,409.06

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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.