Home / 729,322.40-1,006,740.74-548,556.35

Finding the Fourth Proportional to 729,322.40, 1,006,740.74 and 548,556.35

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Solution

The fourth proportional to 729,322.40, 1,006,740.74 and 548,556.35 is: 757,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,322.40 : 1,006,740.74 = 548,556.35 : x
  2. Step 2: Convert to fraction form
    729,322.40/1,006,740.74 = 548,556.35/x
  3. Step 3: Cross multiply
    729,322.40x = 1,006,740.74 × 548,556.35
  4. Step 4: Simplify right side
    729,322.40x = 552,254,022,068.39
  5. Step 5: Solve for x
    x = 552,254,022,068.39/729,322.40
  6. Step 6: Final answer
    x = 757,215.22

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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.