Home / 729,477.06-1,006,675.62-407,184.34

Finding the Fourth Proportional to 729,477.06, 1,006,675.62 and 407,184.34

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Solution

The fourth proportional to 729,477.06, 1,006,675.62 and 407,184.34 is: 561,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,477.06 : 1,006,675.62 = 407,184.34 : x
  2. Step 2: Convert to fraction form
    729,477.06/1,006,675.62 = 407,184.34/x
  3. Step 3: Cross multiply
    729,477.06x = 1,006,675.62 × 407,184.34
  4. Step 4: Simplify right side
    729,477.06x = 409,902,547,923.79
  5. Step 5: Solve for x
    x = 409,902,547,923.79/729,477.06
  6. Step 6: Final answer
    x = 561,912.87

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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.