Home / 1,301,538.36-1,951,850.16-390,449.16

Finding the Fourth Proportional to 1,301,538.36, 1,951,850.16 and 390,449.16

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Solution

The fourth proportional to 1,301,538.36, 1,951,850.16 and 390,449.16 is: 585,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,538.36 : 1,951,850.16 = 390,449.16 : x
  2. Step 2: Convert to fraction form
    1,301,538.36/1,951,850.16 = 390,449.16/x
  3. Step 3: Cross multiply
    1,301,538.36x = 1,951,850.16 × 390,449.16
  4. Step 4: Simplify right side
    1,301,538.36x = 762,098,255,417.87
  5. Step 5: Solve for x
    x = 762,098,255,417.87/1,301,538.36
  6. Step 6: Final answer
    x = 585,536.53

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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.