Home / 769,616.88-1,062,072.74-430,085.13

Finding the Fourth Proportional to 769,616.88, 1,062,072.74 and 430,085.13

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Solution

The fourth proportional to 769,616.88, 1,062,072.74 and 430,085.13 is: 593,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,616.88 : 1,062,072.74 = 430,085.13 : x
  2. Step 2: Convert to fraction form
    769,616.88/1,062,072.74 = 430,085.13/x
  3. Step 3: Cross multiply
    769,616.88x = 1,062,072.74 × 430,085.13
  4. Step 4: Simplify right side
    769,616.88x = 456,781,690,301.93
  5. Step 5: Solve for x
    x = 456,781,690,301.93/769,616.88
  6. Step 6: Final answer
    x = 593,518.28

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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.