Home / 838,601.01-1,257,772.59-459,709.47

Finding the Fourth Proportional to 838,601.01, 1,257,772.59 and 459,709.47

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Solution

The fourth proportional to 838,601.01, 1,257,772.59 and 459,709.47 is: 689,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,601.01 : 1,257,772.59 = 459,709.47 : x
  2. Step 2: Convert to fraction form
    838,601.01/1,257,772.59 = 459,709.47/x
  3. Step 3: Cross multiply
    838,601.01x = 1,257,772.59 × 459,709.47
  4. Step 4: Simplify right side
    838,601.01x = 578,209,970,729.43
  5. Step 5: Solve for x
    x = 578,209,970,729.43/838,601.01
  6. Step 6: Final answer
    x = 689,493.53

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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.