Home / 1,117,136.66-1,674,392.79-516,829.77

Finding the Fourth Proportional to 1,117,136.66, 1,674,392.79 and 516,829.77

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Solution

The fourth proportional to 1,117,136.66, 1,674,392.79 and 516,829.77 is: 774,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,136.66 : 1,674,392.79 = 516,829.77 : x
  2. Step 2: Convert to fraction form
    1,117,136.66/1,674,392.79 = 516,829.77/x
  3. Step 3: Cross multiply
    1,117,136.66x = 1,674,392.79 × 516,829.77
  4. Step 4: Simplify right side
    1,117,136.66x = 865,376,040,545.36
  5. Step 5: Solve for x
    x = 865,376,040,545.36/1,117,136.66
  6. Step 6: Final answer
    x = 774,637.58

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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.