Home / 644,566.76-962,634.93-548,775.72

Finding the Fourth Proportional to 644,566.76, 962,634.93 and 548,775.72

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Solution

The fourth proportional to 644,566.76, 962,634.93 and 548,775.72 is: 819,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,566.76 : 962,634.93 = 548,775.72 : x
  2. Step 2: Convert to fraction form
    644,566.76/962,634.93 = 548,775.72/x
  3. Step 3: Cross multiply
    644,566.76x = 962,634.93 × 548,775.72
  4. Step 4: Simplify right side
    644,566.76x = 528,270,676,807.90
  5. Step 5: Solve for x
    x = 528,270,676,807.90/644,566.76
  6. Step 6: Final answer
    x = 819,574.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.