Home / 689,186.41-950,937.87-402,651.14

Finding the Fourth Proportional to 689,186.41, 950,937.87 and 402,651.14

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Solution

The fourth proportional to 689,186.41, 950,937.87 and 402,651.14 is: 555,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,186.41 : 950,937.87 = 402,651.14 : x
  2. Step 2: Convert to fraction form
    689,186.41/950,937.87 = 402,651.14/x
  3. Step 3: Cross multiply
    689,186.41x = 950,937.87 × 402,651.14
  4. Step 4: Simplify right side
    689,186.41x = 382,896,214,179.92
  5. Step 5: Solve for x
    x = 382,896,214,179.92/689,186.41
  6. Step 6: Final answer
    x = 555,577.14

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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.