Home / 637,630.04-879,935.28-351,151.28

Finding the Fourth Proportional to 637,630.04, 879,935.28 and 351,151.28

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Solution

The fourth proportional to 637,630.04, 879,935.28 and 351,151.28 is: 484,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,630.04 : 879,935.28 = 351,151.28 : x
  2. Step 2: Convert to fraction form
    637,630.04/879,935.28 = 351,151.28/x
  3. Step 3: Cross multiply
    637,630.04x = 879,935.28 × 351,151.28
  4. Step 4: Simplify right side
    637,630.04x = 308,990,399,889.16
  5. Step 5: Solve for x
    x = 308,990,399,889.16/637,630.04
  6. Step 6: Final answer
    x = 484,591.97

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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.