Home / 1,161,993.01-1,603,589.29-645,768.66

Finding the Fourth Proportional to 1,161,993.01, 1,603,589.29 and 645,768.66

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Solution

The fourth proportional to 1,161,993.01, 1,603,589.29 and 645,768.66 is: 891,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,993.01 : 1,603,589.29 = 645,768.66 : x
  2. Step 2: Convert to fraction form
    1,161,993.01/1,603,589.29 = 645,768.66/x
  3. Step 3: Cross multiply
    1,161,993.01x = 1,603,589.29 × 645,768.66
  4. Step 4: Simplify right side
    1,161,993.01x = 1,035,547,695,746.86
  5. Step 5: Solve for x
    x = 1,035,547,695,746.86/1,161,993.01
  6. Step 6: Final answer
    x = 891,182.38

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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.