Home / 656,433.52-905,531.08-452,133.06

Finding the Fourth Proportional to 656,433.52, 905,531.08 and 452,133.06

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Solution

The fourth proportional to 656,433.52, 905,531.08 and 452,133.06 is: 623,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,433.52 : 905,531.08 = 452,133.06 : x
  2. Step 2: Convert to fraction form
    656,433.52/905,531.08 = 452,133.06/x
  3. Step 3: Cross multiply
    656,433.52x = 905,531.08 × 452,133.06
  4. Step 4: Simplify right side
    656,433.52x = 409,420,538,125.51
  5. Step 5: Solve for x
    x = 409,420,538,125.51/656,433.52
  6. Step 6: Final answer
    x = 623,704.50

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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.