Home / 783,681.11-1,175,632.37-251,077.55

Finding the Fourth Proportional to 783,681.11, 1,175,632.37 and 251,077.55

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Solution

The fourth proportional to 783,681.11, 1,175,632.37 and 251,077.55 is: 376,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,681.11 : 1,175,632.37 = 251,077.55 : x
  2. Step 2: Convert to fraction form
    783,681.11/1,175,632.37 = 251,077.55/x
  3. Step 3: Cross multiply
    783,681.11x = 1,175,632.37 × 251,077.55
  4. Step 4: Simplify right side
    783,681.11x = 295,174,893,904.91
  5. Step 5: Solve for x
    x = 295,174,893,904.91/783,681.11
  6. Step 6: Final answer
    x = 376,651.79

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.