Home / 912,827.90-1,366,617.45-807,851.90

Finding the Fourth Proportional to 912,827.90, 1,366,617.45 and 807,851.90

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Solution

The fourth proportional to 912,827.90, 1,366,617.45 and 807,851.90 is: 1,209,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,827.90 : 1,366,617.45 = 807,851.90 : x
  2. Step 2: Convert to fraction form
    912,827.90/1,366,617.45 = 807,851.90/x
  3. Step 3: Cross multiply
    912,827.90x = 1,366,617.45 × 807,851.90
  4. Step 4: Simplify right side
    912,827.90x = 1,104,024,503,555.66
  5. Step 5: Solve for x
    x = 1,104,024,503,555.66/912,827.90
  6. Step 6: Final answer
    x = 1,209,455.26

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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.