Home / 637,610.04-879,907.62-351,131.28

Finding the Fourth Proportional to 637,610.04, 879,907.62 and 351,131.28

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Solution

The fourth proportional to 637,610.04, 879,907.62 and 351,131.28 is: 484,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,610.04 : 879,907.62 = 351,131.28 : x
  2. Step 2: Convert to fraction form
    637,610.04/879,907.62 = 351,131.28/x
  3. Step 3: Cross multiply
    637,610.04x = 879,907.62 × 351,131.28
  4. Step 4: Simplify right side
    637,610.04x = 308,963,088,892.35
  5. Step 5: Solve for x
    x = 308,963,088,892.35/637,610.04
  6. Step 6: Final answer
    x = 484,564.34

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1.5x scale

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.