Home / 656,306.42-905,357.05-452,003.36

Finding the Fourth Proportional to 656,306.42, 905,357.05 and 452,003.36

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Solution

The fourth proportional to 656,306.42, 905,357.05 and 452,003.36 is: 623,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,306.42 : 905,357.05 = 452,003.36 : x
  2. Step 2: Convert to fraction form
    656,306.42/905,357.05 = 452,003.36/x
  3. Step 3: Cross multiply
    656,306.42x = 905,357.05 × 452,003.36
  4. Step 4: Simplify right side
    656,306.42x = 409,224,422,942.89
  5. Step 5: Solve for x
    x = 409,224,422,942.89/656,306.42
  6. Step 6: Final answer
    x = 623,526.47

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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.