Home / 666,154.10-919,306.08-364,367.54

Finding the Fourth Proportional to 666,154.10, 919,306.08 and 364,367.54

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Solution

The fourth proportional to 666,154.10, 919,306.08 and 364,367.54 is: 502,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,154.10 : 919,306.08 = 364,367.54 : x
  2. Step 2: Convert to fraction form
    666,154.10/919,306.08 = 364,367.54/x
  3. Step 3: Cross multiply
    666,154.10x = 919,306.08 × 364,367.54
  4. Step 4: Simplify right side
    666,154.10x = 334,965,294,876.64
  5. Step 5: Solve for x
    x = 334,965,294,876.64/666,154.10
  6. Step 6: Final answer
    x = 502,834.55

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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.