Home / 723,897.41-999,025.65-417,986.66

Finding the Fourth Proportional to 723,897.41, 999,025.65 and 417,986.66

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Solution

The fourth proportional to 723,897.41, 999,025.65 and 417,986.66 is: 576,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,897.41 : 999,025.65 = 417,986.66 : x
  2. Step 2: Convert to fraction form
    723,897.41/999,025.65 = 417,986.66/x
  3. Step 3: Cross multiply
    723,897.41x = 999,025.65 × 417,986.66
  4. Step 4: Simplify right side
    723,897.41x = 417,579,397,195.39
  5. Step 5: Solve for x
    x = 417,579,397,195.39/723,897.41
  6. Step 6: Final answer
    x = 576,848.87

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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.