Home / 578,283.91-867,518.81-199,111.42

Finding the Fourth Proportional to 578,283.91, 867,518.81 and 199,111.42

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Solution

The fourth proportional to 578,283.91, 867,518.81 and 199,111.42 is: 298,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,283.91 : 867,518.81 = 199,111.42 : x
  2. Step 2: Convert to fraction form
    578,283.91/867,518.81 = 199,111.42/x
  3. Step 3: Cross multiply
    578,283.91x = 867,518.81 × 199,111.42
  4. Step 4: Simplify right side
    578,283.91x = 172,732,898,091.53
  5. Step 5: Solve for x
    x = 172,732,898,091.53/578,283.91
  6. Step 6: Final answer
    x = 298,699.13

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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.