Home / 776,035.69-1,070,907.30-431,866.13

Finding the Fourth Proportional to 776,035.69, 1,070,907.30 and 431,866.13

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Solution

The fourth proportional to 776,035.69, 1,070,907.30 and 431,866.13 is: 595,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,035.69 : 1,070,907.30 = 431,866.13 : x
  2. Step 2: Convert to fraction form
    776,035.69/1,070,907.30 = 431,866.13/x
  3. Step 3: Cross multiply
    776,035.69x = 1,070,907.30 × 431,866.13
  4. Step 4: Simplify right side
    776,035.69x = 462,488,585,885.21
  5. Step 5: Solve for x
    x = 462,488,585,885.21/776,035.69
  6. Step 6: Final answer
    x = 595,963.04

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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.