Home / 577,438.22-796,869.89-319,332.53

Finding the Fourth Proportional to 577,438.22, 796,869.89 and 319,332.53

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Solution

The fourth proportional to 577,438.22, 796,869.89 and 319,332.53 is: 440,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,438.22 : 796,869.89 = 319,332.53 : x
  2. Step 2: Convert to fraction form
    577,438.22/796,869.89 = 319,332.53/x
  3. Step 3: Cross multiply
    577,438.22x = 796,869.89 × 319,332.53
  4. Step 4: Simplify right side
    577,438.22x = 254,466,478,054.52
  5. Step 5: Solve for x
    x = 254,466,478,054.52/577,438.22
  6. Step 6: Final answer
    x = 440,681.74

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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.