Home / 1,755,111.13-2,632,666.69-425,415.13

Finding the Fourth Proportional to 1,755,111.13, 2,632,666.69 and 425,415.13

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Solution

The fourth proportional to 1,755,111.13, 2,632,666.69 and 425,415.13 is: 638,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,111.13 : 2,632,666.69 = 425,415.13 : x
  2. Step 2: Convert to fraction form
    1,755,111.13/2,632,666.69 = 425,415.13/x
  3. Step 3: Cross multiply
    1,755,111.13x = 2,632,666.69 × 425,415.13
  4. Step 4: Simplify right side
    1,755,111.13x = 1,119,976,242,173.02
  5. Step 5: Solve for x
    x = 1,119,976,242,173.02/1,755,111.13
  6. Step 6: Final answer
    x = 638,122.69

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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.