Home / 688,564.32-950,158.27-382,621.32

Finding the Fourth Proportional to 688,564.32, 950,158.27 and 382,621.32

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Solution

The fourth proportional to 688,564.32, 950,158.27 and 382,621.32 is: 527,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,564.32 : 950,158.27 = 382,621.32 : x
  2. Step 2: Convert to fraction form
    688,564.32/950,158.27 = 382,621.32/x
  3. Step 3: Cross multiply
    688,564.32x = 950,158.27 × 382,621.32
  4. Step 4: Simplify right side
    688,564.32x = 363,550,811,476.32
  5. Step 5: Solve for x
    x = 363,550,811,476.32/688,564.32
  6. Step 6: Final answer
    x = 527,983.81

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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.