Home / 1,715,645.59-2,573,486.88-517,578.31

Finding the Fourth Proportional to 1,715,645.59, 2,573,486.88 and 517,578.31

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Solution

The fourth proportional to 1,715,645.59, 2,573,486.88 and 517,578.31 is: 776,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,645.59 : 2,573,486.88 = 517,578.31 : x
  2. Step 2: Convert to fraction form
    1,715,645.59/2,573,486.88 = 517,578.31/x
  3. Step 3: Cross multiply
    1,715,645.59x = 2,573,486.88 × 517,578.31
  4. Step 4: Simplify right side
    1,715,645.59x = 1,331,980,990,157.57
  5. Step 5: Solve for x
    x = 1,331,980,990,157.57/1,715,645.59
  6. Step 6: Final answer
    x = 776,373.04

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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.