Home / 691,302.36-1,036,948.68-192,666.36

Finding the Fourth Proportional to 691,302.36, 1,036,948.68 and 192,666.36

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Solution

The fourth proportional to 691,302.36, 1,036,948.68 and 192,666.36 is: 288,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,302.36 : 1,036,948.68 = 192,666.36 : x
  2. Step 2: Convert to fraction form
    691,302.36/1,036,948.68 = 192,666.36/x
  3. Step 3: Cross multiply
    691,302.36x = 1,036,948.68 × 192,666.36
  4. Step 4: Simplify right side
    691,302.36x = 199,785,127,682.41
  5. Step 5: Solve for x
    x = 199,785,127,682.41/691,302.36
  6. Step 6: Final answer
    x = 288,998.19

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Similar ratio
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1.5x scale

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.