Home / 1,152,256.68-1,728,416.61-310,806

Finding the Fourth Proportional to 1,152,256.68, 1,728,416.61 and 310,806

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Solution

The fourth proportional to 1,152,256.68, 1,728,416.61 and 310,806 is: 466,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,256.68 : 1,728,416.61 = 310,806 : x
  2. Step 2: Convert to fraction form
    1,152,256.68/1,728,416.61 = 310,806/x
  3. Step 3: Cross multiply
    1,152,256.68x = 1,728,416.61 × 310,806
  4. Step 4: Simplify right side
    1,152,256.68x = 537,202,252,887.66
  5. Step 5: Solve for x
    x = 537,202,252,887.66/1,152,256.68
  6. Step 6: Final answer
    x = 466,217.52

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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.