Home / 666,531.24-919,810.59-360,606.66

Finding the Fourth Proportional to 666,531.24, 919,810.59 and 360,606.66

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Solution

The fourth proportional to 666,531.24, 919,810.59 and 360,606.66 is: 497,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,531.24 : 919,810.59 = 360,606.66 : x
  2. Step 2: Convert to fraction form
    666,531.24/919,810.59 = 360,606.66/x
  3. Step 3: Cross multiply
    666,531.24x = 919,810.59 × 360,606.66
  4. Step 4: Simplify right side
    666,531.24x = 331,689,824,692.53
  5. Step 5: Solve for x
    x = 331,689,824,692.53/666,531.24
  6. Step 6: Final answer
    x = 497,635.83

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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.