Home / 1,159,616.77-1,600,217.10-643,365.18

Finding the Fourth Proportional to 1,159,616.77, 1,600,217.10 and 643,365.18

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Solution

The fourth proportional to 1,159,616.77, 1,600,217.10 and 643,365.18 is: 887,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,616.77 : 1,600,217.10 = 643,365.18 : x
  2. Step 2: Convert to fraction form
    1,159,616.77/1,600,217.10 = 643,365.18/x
  3. Step 3: Cross multiply
    1,159,616.77x = 1,600,217.10 × 643,365.18
  4. Step 4: Simplify right side
    1,159,616.77x = 1,029,523,962,580.58
  5. Step 5: Solve for x
    x = 1,029,523,962,580.58/1,159,616.77
  6. Step 6: Final answer
    x = 887,813.97

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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.