Home / 1,403,009.46-1,934,861.85-919,398.96

Finding the Fourth Proportional to 1,403,009.46, 1,934,861.85 and 919,398.96

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Solution

The fourth proportional to 1,403,009.46, 1,934,861.85 and 919,398.96 is: 1,267,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,009.46 : 1,934,861.85 = 919,398.96 : x
  2. Step 2: Convert to fraction form
    1,403,009.46/1,934,861.85 = 919,398.96/x
  3. Step 3: Cross multiply
    1,403,009.46x = 1,934,861.85 × 919,398.96
  4. Step 4: Simplify right side
    1,403,009.46x = 1,778,909,972,633.68
  5. Step 5: Solve for x
    x = 1,778,909,972,633.68/1,403,009.46
  6. Step 6: Final answer
    x = 1,267,924.43

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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.