Home / 729,014.63-1,006,069.34-406,752.89

Finding the Fourth Proportional to 729,014.63, 1,006,069.34 and 406,752.89

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Solution

The fourth proportional to 729,014.63, 1,006,069.34 and 406,752.89 is: 561,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,014.63 : 1,006,069.34 = 406,752.89 : x
  2. Step 2: Convert to fraction form
    729,014.63/1,006,069.34 = 406,752.89/x
  3. Step 3: Cross multiply
    729,014.63x = 1,006,069.34 × 406,752.89
  4. Step 4: Simplify right side
    729,014.63x = 409,221,607,571.93
  5. Step 5: Solve for x
    x = 409,221,607,571.93/729,014.63
  6. Step 6: Final answer
    x = 561,335.25

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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.