Home / 1,215,700.61-1,677,621.50-699,534.31

Finding the Fourth Proportional to 1,215,700.61, 1,677,621.50 and 699,534.31

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Solution

The fourth proportional to 1,215,700.61, 1,677,621.50 and 699,534.31 is: 965,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,700.61 : 1,677,621.50 = 699,534.31 : x
  2. Step 2: Convert to fraction form
    1,215,700.61/1,677,621.50 = 699,534.31/x
  3. Step 3: Cross multiply
    1,215,700.61x = 1,677,621.50 × 699,534.31
  4. Step 4: Simplify right side
    1,215,700.61x = 1,173,553,798,488.17
  5. Step 5: Solve for x
    x = 1,173,553,798,488.17/1,215,700.61
  6. Step 6: Final answer
    x = 965,331.26

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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.