Home / 885,484.80-1,328,227.16-842,461.07

Finding the Fourth Proportional to 885,484.80, 1,328,227.16 and 842,461.07

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Solution

The fourth proportional to 885,484.80, 1,328,227.16 and 842,461.07 is: 1,263,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,484.80 : 1,328,227.16 = 842,461.07 : x
  2. Step 2: Convert to fraction form
    885,484.80/1,328,227.16 = 842,461.07/x
  3. Step 3: Cross multiply
    885,484.80x = 1,328,227.16 × 842,461.07
  4. Step 4: Simplify right side
    885,484.80x = 1,118,979,663,563.22
  5. Step 5: Solve for x
    x = 1,118,979,663,563.22/885,484.80
  6. Step 6: Final answer
    x = 1,263,691.55

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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.