Home / 859,392.75-1,186,071.35-519,863.43

Finding the Fourth Proportional to 859,392.75, 1,186,071.35 and 519,863.43

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Solution

The fourth proportional to 859,392.75, 1,186,071.35 and 519,863.43 is: 717,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,392.75 : 1,186,071.35 = 519,863.43 : x
  2. Step 2: Convert to fraction form
    859,392.75/1,186,071.35 = 519,863.43/x
  3. Step 3: Cross multiply
    859,392.75x = 1,186,071.35 × 519,863.43
  4. Step 4: Simplify right side
    859,392.75x = 616,595,117,636.41
  5. Step 5: Solve for x
    x = 616,595,117,636.41/859,392.75
  6. Step 6: Final answer
    x = 717,477.68

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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.