Home / 826,773.12-1,240,172.10-287,046.48

Finding the Fourth Proportional to 826,773.12, 1,240,172.10 and 287,046.48

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Solution

The fourth proportional to 826,773.12, 1,240,172.10 and 287,046.48 is: 430,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,773.12 : 1,240,172.10 = 287,046.48 : x
  2. Step 2: Convert to fraction form
    826,773.12/1,240,172.10 = 287,046.48/x
  3. Step 3: Cross multiply
    826,773.12x = 1,240,172.10 × 287,046.48
  4. Step 4: Simplify right side
    826,773.12x = 355,987,035,899.21
  5. Step 5: Solve for x
    x = 355,987,035,899.21/826,773.12
  6. Step 6: Final answer
    x = 430,574.03

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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.