Home / 1,185,288.16-1,635,697.67-641,423.91

Finding the Fourth Proportional to 1,185,288.16, 1,635,697.67 and 641,423.91

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Solution

The fourth proportional to 1,185,288.16, 1,635,697.67 and 641,423.91 is: 885,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,288.16 : 1,635,697.67 = 641,423.91 : x
  2. Step 2: Convert to fraction form
    1,185,288.16/1,635,697.67 = 641,423.91/x
  3. Step 3: Cross multiply
    1,185,288.16x = 1,635,697.67 × 641,423.91
  4. Step 4: Simplify right side
    1,185,288.16x = 1,049,175,603,408.05
  5. Step 5: Solve for x
    x = 1,049,175,603,408.05/1,185,288.16
  6. Step 6: Final answer
    x = 885,165.01

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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.