Home / 947,028.24-1,306,877.22-517,310.28

Finding the Fourth Proportional to 947,028.24, 1,306,877.22 and 517,310.28

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Solution

The fourth proportional to 947,028.24, 1,306,877.22 and 517,310.28 is: 713,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,028.24 : 1,306,877.22 = 517,310.28 : x
  2. Step 2: Convert to fraction form
    947,028.24/1,306,877.22 = 517,310.28/x
  3. Step 3: Cross multiply
    947,028.24x = 1,306,877.22 × 517,310.28
  4. Step 4: Simplify right side
    947,028.24x = 676,061,020,603.82
  5. Step 5: Solve for x
    x = 676,061,020,603.82/947,028.24
  6. Step 6: Final answer
    x = 713,876.30

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1.5x scale

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.