Home / 811,154.45-1,216,325.59-250,116.05

Finding the Fourth Proportional to 811,154.45, 1,216,325.59 and 250,116.05

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Solution

The fourth proportional to 811,154.45, 1,216,325.59 and 250,116.05 is: 375,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,154.45 : 1,216,325.59 = 250,116.05 : x
  2. Step 2: Convert to fraction form
    811,154.45/1,216,325.59 = 250,116.05/x
  3. Step 3: Cross multiply
    811,154.45x = 1,216,325.59 × 250,116.05
  4. Step 4: Simplify right side
    811,154.45x = 304,222,552,084.72
  5. Step 5: Solve for x
    x = 304,222,552,084.72/811,154.45
  6. Step 6: Final answer
    x = 375,048.86

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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.