Home / 949,788.72-1,310,710.59-514,210.65

Finding the Fourth Proportional to 949,788.72, 1,310,710.59 and 514,210.65

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Solution

The fourth proportional to 949,788.72, 1,310,710.59 and 514,210.65 is: 709,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,788.72 : 1,310,710.59 = 514,210.65 : x
  2. Step 2: Convert to fraction form
    949,788.72/1,310,710.59 = 514,210.65/x
  3. Step 3: Cross multiply
    949,788.72x = 1,310,710.59 × 514,210.65
  4. Step 4: Simplify right side
    949,788.72x = 673,981,344,445.78
  5. Step 5: Solve for x
    x = 673,981,344,445.78/949,788.72
  6. Step 6: Final answer
    x = 709,611.87

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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.