Home / 1,099,935.18-1,515,071.18-777,084.71

Finding the Fourth Proportional to 1,099,935.18, 1,515,071.18 and 777,084.71

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Solution

The fourth proportional to 1,099,935.18, 1,515,071.18 and 777,084.71 is: 1,070,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,935.18 : 1,515,071.18 = 777,084.71 : x
  2. Step 2: Convert to fraction form
    1,099,935.18/1,515,071.18 = 777,084.71/x
  3. Step 3: Cross multiply
    1,099,935.18x = 1,515,071.18 × 777,084.71
  4. Step 4: Simplify right side
    1,099,935.18x = 1,177,338,642,907.01
  5. Step 5: Solve for x
    x = 1,177,338,642,907.01/1,099,935.18
  6. Step 6: Final answer
    x = 1,070,370.93

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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.