Home / 418,019.46-626,868.74-177,981.18

Finding the Fourth Proportional to 418,019.46, 626,868.74 and 177,981.18

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Solution

The fourth proportional to 418,019.46, 626,868.74 and 177,981.18 is: 266,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,019.46 : 626,868.74 = 177,981.18 : x
  2. Step 2: Convert to fraction form
    418,019.46/626,868.74 = 177,981.18/x
  3. Step 3: Cross multiply
    418,019.46x = 626,868.74 × 177,981.18
  4. Step 4: Simplify right side
    418,019.46x = 111,570,834,809.65
  5. Step 5: Solve for x
    x = 111,570,834,809.65/418,019.46
  6. Step 6: Final answer
    x = 266,903.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.