Home / 568,127.79-783,990.09-326,240.19

Finding the Fourth Proportional to 568,127.79, 783,990.09 and 326,240.19

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Solution

The fourth proportional to 568,127.79, 783,990.09 and 326,240.19 is: 450,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,127.79 : 783,990.09 = 326,240.19 : x
  2. Step 2: Convert to fraction form
    568,127.79/783,990.09 = 326,240.19/x
  3. Step 3: Cross multiply
    568,127.79x = 783,990.09 × 326,240.19
  4. Step 4: Simplify right side
    568,127.79x = 255,769,075,919.72
  5. Step 5: Solve for x
    x = 255,769,075,919.72/568,127.79
  6. Step 6: Final answer
    x = 450,196.38

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Double scale
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Similar ratio
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1.5x scale

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.