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Finding the Fourth Proportional to 807,810.06, 1,114,763.04 and 440,290.38

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Solution

The fourth proportional to 807,810.06, 1,114,763.04 and 440,290.38 is: 607,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,810.06 : 1,114,763.04 = 440,290.38 : x
  2. Step 2: Convert to fraction form
    807,810.06/1,114,763.04 = 440,290.38/x
  3. Step 3: Cross multiply
    807,810.06x = 1,114,763.04 × 440,290.38
  4. Step 4: Simplify right side
    807,810.06x = 490,819,442,491.56
  5. Step 5: Solve for x
    x = 490,819,442,491.56/807,810.06
  6. Step 6: Final answer
    x = 607,592.63

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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.