Home / 1,755,120.75-2,632,681.14-425,424.75

Finding the Fourth Proportional to 1,755,120.75, 2,632,681.14 and 425,424.75

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Solution

The fourth proportional to 1,755,120.75, 2,632,681.14 and 425,424.75 is: 638,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,120.75 : 2,632,681.14 = 425,424.75 : x
  2. Step 2: Convert to fraction form
    1,755,120.75/2,632,681.14 = 425,424.75/x
  3. Step 3: Cross multiply
    1,755,120.75x = 2,632,681.14 × 425,424.75
  4. Step 4: Simplify right side
    1,755,120.75x = 1,120,007,715,814.22
  5. Step 5: Solve for x
    x = 1,120,007,715,814.22/1,755,120.75
  6. Step 6: Final answer
    x = 638,137.13

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Double scale
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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.