Home / 3,175,720.79-4,763,674.53-779,565.33

Finding the Fourth Proportional to 3,175,720.79, 4,763,674.53 and 779,565.33

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Solution

The fourth proportional to 3,175,720.79, 4,763,674.53 and 779,565.33 is: 1,169,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,720.79 : 4,763,674.53 = 779,565.33 : x
  2. Step 2: Convert to fraction form
    3,175,720.79/4,763,674.53 = 779,565.33/x
  3. Step 3: Cross multiply
    3,175,720.79x = 4,763,674.53 × 779,565.33
  4. Step 4: Simplify right side
    3,175,720.79x = 3,713,595,506,992.05
  5. Step 5: Solve for x
    x = 3,713,595,506,992.05/3,175,720.79
  6. Step 6: Final answer
    x = 1,169,370.91

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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.