Home / 637,632.09-879,892.41-351,152.18

Finding the Fourth Proportional to 637,632.09, 879,892.41 and 351,152.18

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Solution

The fourth proportional to 637,632.09, 879,892.41 and 351,152.18 is: 484,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,632.09 : 879,892.41 = 351,152.18 : x
  2. Step 2: Convert to fraction form
    637,632.09/879,892.41 = 351,152.18/x
  3. Step 3: Cross multiply
    637,632.09x = 879,892.41 × 351,152.18
  4. Step 4: Simplify right side
    637,632.09x = 308,976,136,178.68
  5. Step 5: Solve for x
    x = 308,976,136,178.68/637,632.09
  6. Step 6: Final answer
    x = 484,568.05

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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.