Home / 805,637.19-1,111,757.12-443,061.05

Finding the Fourth Proportional to 805,637.19, 1,111,757.12 and 443,061.05

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Solution

The fourth proportional to 805,637.19, 1,111,757.12 and 443,061.05 is: 611,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,637.19 : 1,111,757.12 = 443,061.05 : x
  2. Step 2: Convert to fraction form
    805,637.19/1,111,757.12 = 443,061.05/x
  3. Step 3: Cross multiply
    805,637.19x = 1,111,757.12 × 443,061.05
  4. Step 4: Simplify right side
    805,637.19x = 492,576,269,158.09
  5. Step 5: Solve for x
    x = 492,576,269,158.09/805,637.19
  6. Step 6: Final answer
    x = 611,412.03

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Double scale
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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.