Home / 492,411.25-679,527.33-266,056.75

Finding the Fourth Proportional to 492,411.25, 679,527.33 and 266,056.75

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Solution

The fourth proportional to 492,411.25, 679,527.33 and 266,056.75 is: 367,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,411.25 : 679,527.33 = 266,056.75 : x
  2. Step 2: Convert to fraction form
    492,411.25/679,527.33 = 266,056.75/x
  3. Step 3: Cross multiply
    492,411.25x = 679,527.33 × 266,056.75
  4. Step 4: Simplify right side
    492,411.25x = 180,792,832,807.67
  5. Step 5: Solve for x
    x = 180,792,832,807.67/492,411.25
  6. Step 6: Final answer
    x = 367,158.21

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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.