Home / 1,174,778.16-1,621,274.04-665,484.72

Finding the Fourth Proportional to 1,174,778.16, 1,621,274.04 and 665,484.72

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Solution

The fourth proportional to 1,174,778.16, 1,621,274.04 and 665,484.72 is: 918,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,778.16 : 1,621,274.04 = 665,484.72 : x
  2. Step 2: Convert to fraction form
    1,174,778.16/1,621,274.04 = 665,484.72/x
  3. Step 3: Cross multiply
    1,174,778.16x = 1,621,274.04 × 665,484.72
  4. Step 4: Simplify right side
    1,174,778.16x = 1,078,933,100,552.67
  5. Step 5: Solve for x
    x = 1,078,933,100,552.67/1,174,778.16
  6. Step 6: Final answer
    x = 918,414.33

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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.