Home / 939,778.82-1,296,895.33-510,058.95

Finding the Fourth Proportional to 939,778.82, 1,296,895.33 and 510,058.95

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Solution

The fourth proportional to 939,778.82, 1,296,895.33 and 510,058.95 is: 703,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,778.82 : 1,296,895.33 = 510,058.95 : x
  2. Step 2: Convert to fraction form
    939,778.82/1,296,895.33 = 510,058.95/x
  3. Step 3: Cross multiply
    939,778.82x = 1,296,895.33 × 510,058.95
  4. Step 4: Simplify right side
    939,778.82x = 661,493,069,004.56
  5. Step 5: Solve for x
    x = 661,493,069,004.56/939,778.82
  6. Step 6: Final answer
    x = 703,881.65

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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.