Home / 770,690.39-1,064,569.28-591,615.18

Finding the Fourth Proportional to 770,690.39, 1,064,569.28 and 591,615.18

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Solution

The fourth proportional to 770,690.39, 1,064,569.28 and 591,615.18 is: 817,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,690.39 : 1,064,569.28 = 591,615.18 : x
  2. Step 2: Convert to fraction form
    770,690.39/1,064,569.28 = 591,615.18/x
  3. Step 3: Cross multiply
    770,690.39x = 1,064,569.28 × 591,615.18
  4. Step 4: Simplify right side
    770,690.39x = 629,815,343,251.60
  5. Step 5: Solve for x
    x = 629,815,343,251.60/770,690.39
  6. Step 6: Final answer
    x = 817,209.29

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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.