Home / 949,373.88-1,310,124.54-513,781.08

Finding the Fourth Proportional to 949,373.88, 1,310,124.54 and 513,781.08

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Solution

The fourth proportional to 949,373.88, 1,310,124.54 and 513,781.08 is: 709,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,373.88 : 1,310,124.54 = 513,781.08 : x
  2. Step 2: Convert to fraction form
    949,373.88/1,310,124.54 = 513,781.08/x
  3. Step 3: Cross multiply
    949,373.88x = 1,310,124.54 × 513,781.08
  4. Step 4: Simplify right side
    949,373.88x = 673,117,201,095.70
  5. Step 5: Solve for x
    x = 673,117,201,095.70/949,373.88
  6. Step 6: Final answer
    x = 709,011.71

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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.