Home / 1,013,087.69-1,398,136.88-577,515.42

Finding the Fourth Proportional to 1,013,087.69, 1,398,136.88 and 577,515.42

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Solution

The fourth proportional to 1,013,087.69, 1,398,136.88 and 577,515.42 is: 797,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,087.69 : 1,398,136.88 = 577,515.42 : x
  2. Step 2: Convert to fraction form
    1,013,087.69/1,398,136.88 = 577,515.42/x
  3. Step 3: Cross multiply
    1,013,087.69x = 1,398,136.88 × 577,515.42
  4. Step 4: Simplify right side
    1,013,087.69x = 807,445,604,583.11
  5. Step 5: Solve for x
    x = 807,445,604,583.11/1,013,087.69
  6. Step 6: Final answer
    x = 797,014.53

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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.