Home / 1,185,209.16-1,635,592.98-641,344.95

Finding the Fourth Proportional to 1,185,209.16, 1,635,592.98 and 641,344.95

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Solution

The fourth proportional to 1,185,209.16, 1,635,592.98 and 641,344.95 is: 885,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,209.16 : 1,635,592.98 = 641,344.95 : x
  2. Step 2: Convert to fraction form
    1,185,209.16/1,635,592.98 = 641,344.95/x
  3. Step 3: Cross multiply
    1,185,209.16x = 1,635,592.98 × 641,344.95
  4. Step 4: Simplify right side
    1,185,209.16x = 1,048,979,294,771.73
  5. Step 5: Solve for x
    x = 1,048,979,294,771.73/1,185,209.16
  6. Step 6: Final answer
    x = 885,058.38

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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.