Home / 878,207.73-1,211,895.81-496,226.31

Finding the Fourth Proportional to 878,207.73, 1,211,895.81 and 496,226.31

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Solution

The fourth proportional to 878,207.73, 1,211,895.81 and 496,226.31 is: 684,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,207.73 : 1,211,895.81 = 496,226.31 : x
  2. Step 2: Convert to fraction form
    878,207.73/1,211,895.81 = 496,226.31/x
  3. Step 3: Cross multiply
    878,207.73x = 1,211,895.81 × 496,226.31
  4. Step 4: Simplify right side
    878,207.73x = 601,374,585,900.76
  5. Step 5: Solve for x
    x = 601,374,585,900.76/878,207.73
  6. Step 6: Final answer
    x = 684,774.87

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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.