Home / 1,397,667.40-2,091,317.10-1,024,419.40

Finding the Fourth Proportional to 1,397,667.40, 2,091,317.10 and 1,024,419.40

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Solution

The fourth proportional to 1,397,667.40, 2,091,317.10 and 1,024,419.40 is: 1,532,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,667.40 : 2,091,317.10 = 1,024,419.40 : x
  2. Step 2: Convert to fraction form
    1,397,667.40/2,091,317.10 = 1,024,419.40/x
  3. Step 3: Cross multiply
    1,397,667.40x = 2,091,317.10 × 1,024,419.40
  4. Step 4: Simplify right side
    1,397,667.40x = 2,142,385,808,791.74
  5. Step 5: Solve for x
    x = 2,142,385,808,791.74/1,397,667.40
  6. Step 6: Final answer
    x = 1,532,829.49

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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.