Home / 788,559.84-1,087,833.24-516,510

Finding the Fourth Proportional to 788,559.84, 1,087,833.24 and 516,510

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Solution

The fourth proportional to 788,559.84, 1,087,833.24 and 516,510 is: 712,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,559.84 : 1,087,833.24 = 516,510 : x
  2. Step 2: Convert to fraction form
    788,559.84/1,087,833.24 = 516,510/x
  3. Step 3: Cross multiply
    788,559.84x = 1,087,833.24 × 516,510
  4. Step 4: Simplify right side
    788,559.84x = 561,876,746,792.40
  5. Step 5: Solve for x
    x = 561,876,746,792.40/788,559.84
  6. Step 6: Final answer
    x = 712,535.33

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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.