Home / 783,104.10-1,174,656.15-546,908.10

Finding the Fourth Proportional to 783,104.10, 1,174,656.15 and 546,908.10

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Solution

The fourth proportional to 783,104.10, 1,174,656.15 and 546,908.10 is: 820,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,104.10 : 1,174,656.15 = 546,908.10 : x
  2. Step 2: Convert to fraction form
    783,104.10/1,174,656.15 = 546,908.10/x
  3. Step 3: Cross multiply
    783,104.10x = 1,174,656.15 × 546,908.10
  4. Step 4: Simplify right side
    783,104.10x = 642,428,963,149.82
  5. Step 5: Solve for x
    x = 642,428,963,149.82/783,104.10
  6. Step 6: Final answer
    x = 820,362.15

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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.