Home / 1,263,061.95-1,743,005.14-690,089.82

Finding the Fourth Proportional to 1,263,061.95, 1,743,005.14 and 690,089.82

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Solution

The fourth proportional to 1,263,061.95, 1,743,005.14 and 690,089.82 is: 952,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,061.95 : 1,743,005.14 = 690,089.82 : x
  2. Step 2: Convert to fraction form
    1,263,061.95/1,743,005.14 = 690,089.82/x
  3. Step 3: Cross multiply
    1,263,061.95x = 1,743,005.14 × 690,089.82
  4. Step 4: Simplify right side
    1,263,061.95x = 1,202,830,103,321.67
  5. Step 5: Solve for x
    x = 1,202,830,103,321.67/1,263,061.95
  6. Step 6: Final answer
    x = 952,312.83

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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.