Home / 900,515.41-1,350,102.43-545,443.81

Finding the Fourth Proportional to 900,515.41, 1,350,102.43 and 545,443.81

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Solution

The fourth proportional to 900,515.41, 1,350,102.43 and 545,443.81 is: 817,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,515.41 : 1,350,102.43 = 545,443.81 : x
  2. Step 2: Convert to fraction form
    900,515.41/1,350,102.43 = 545,443.81/x
  3. Step 3: Cross multiply
    900,515.41x = 1,350,102.43 × 545,443.81
  4. Step 4: Simplify right side
    900,515.41x = 736,405,013,309.46
  5. Step 5: Solve for x
    x = 736,405,013,309.46/900,515.41
  6. Step 6: Final answer
    x = 817,759.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.