Home / 1,105,616.40-1,525,732.20-622,181.40

Finding the Fourth Proportional to 1,105,616.40, 1,525,732.20 and 622,181.40

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Solution

The fourth proportional to 1,105,616.40, 1,525,732.20 and 622,181.40 is: 858,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,616.40 : 1,525,732.20 = 622,181.40 : x
  2. Step 2: Convert to fraction form
    1,105,616.40/1,525,732.20 = 622,181.40/x
  3. Step 3: Cross multiply
    1,105,616.40x = 1,525,732.20 × 622,181.40
  4. Step 4: Simplify right side
    1,105,616.40x = 949,282,196,221.08
  5. Step 5: Solve for x
    x = 949,282,196,221.08/1,105,616.40
  6. Step 6: Final answer
    x = 858,599.96

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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.