Home / 897,627.68-1,238,835.09-655,789.22

Finding the Fourth Proportional to 897,627.68, 1,238,835.09 and 655,789.22

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Solution

The fourth proportional to 897,627.68, 1,238,835.09 and 655,789.22 is: 905,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,627.68 : 1,238,835.09 = 655,789.22 : x
  2. Step 2: Convert to fraction form
    897,627.68/1,238,835.09 = 655,789.22/x
  3. Step 3: Cross multiply
    897,627.68x = 1,238,835.09 × 655,789.22
  4. Step 4: Simplify right side
    897,627.68x = 812,414,691,185.55
  5. Step 5: Solve for x
    x = 812,414,691,185.55/897,627.68
  6. Step 6: Final answer
    x = 905,068.68

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1.5x scale

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.