Home / 1,136,605.77-1,568,512.76-627,304.50

Finding the Fourth Proportional to 1,136,605.77, 1,568,512.76 and 627,304.50

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Solution

The fourth proportional to 1,136,605.77, 1,568,512.76 and 627,304.50 is: 865,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,605.77 : 1,568,512.76 = 627,304.50 : x
  2. Step 2: Convert to fraction form
    1,136,605.77/1,568,512.76 = 627,304.50/x
  3. Step 3: Cross multiply
    1,136,605.77x = 1,568,512.76 × 627,304.50
  4. Step 4: Simplify right side
    1,136,605.77x = 983,935,109,518.90
  5. Step 5: Solve for x
    x = 983,935,109,518.90/1,136,605.77
  6. Step 6: Final answer
    x = 865,678.44

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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.