Home / 1,019,055.28-1,528,581.12-271,101.28

Finding the Fourth Proportional to 1,019,055.28, 1,528,581.12 and 271,101.28

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Solution

The fourth proportional to 1,019,055.28, 1,528,581.12 and 271,101.28 is: 406,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,055.28 : 1,528,581.12 = 271,101.28 : x
  2. Step 2: Convert to fraction form
    1,019,055.28/1,528,581.12 = 271,101.28/x
  3. Step 3: Cross multiply
    1,019,055.28x = 1,528,581.12 × 271,101.28
  4. Step 4: Simplify right side
    1,019,055.28x = 414,400,298,215.83
  5. Step 5: Solve for x
    x = 414,400,298,215.83/1,019,055.28
  6. Step 6: Final answer
    x = 406,651.44

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Double scale
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Similar ratio
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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.