Home / 841,806.18-1,161,692.46-454,621.56

Finding the Fourth Proportional to 841,806.18, 1,161,692.46 and 454,621.56

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Solution

The fourth proportional to 841,806.18, 1,161,692.46 and 454,621.56 is: 627,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,806.18 : 1,161,692.46 = 454,621.56 : x
  2. Step 2: Convert to fraction form
    841,806.18/1,161,692.46 = 454,621.56/x
  3. Step 3: Cross multiply
    841,806.18x = 1,161,692.46 × 454,621.56
  4. Step 4: Simplify right side
    841,806.18x = 528,130,438,405.44
  5. Step 5: Solve for x
    x = 528,130,438,405.44/841,806.18
  6. Step 6: Final answer
    x = 627,377.72

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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.