Home / 454,931.59-682,518.27-155,411.62

Finding the Fourth Proportional to 454,931.59, 682,518.27 and 155,411.62

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Solution

The fourth proportional to 454,931.59, 682,518.27 and 155,411.62 is: 233,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,931.59 : 682,518.27 = 155,411.62 : x
  2. Step 2: Convert to fraction form
    454,931.59/682,518.27 = 155,411.62/x
  3. Step 3: Cross multiply
    454,931.59x = 682,518.27 × 155,411.62
  4. Step 4: Simplify right side
    454,931.59x = 106,071,270,020.30
  5. Step 5: Solve for x
    x = 106,071,270,020.30/454,931.59
  6. Step 6: Final answer
    x = 233,158.73

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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.