Home / 935,208.80-1,290,579.08-521,749.16

Finding the Fourth Proportional to 935,208.80, 1,290,579.08 and 521,749.16

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Solution

The fourth proportional to 935,208.80, 1,290,579.08 and 521,749.16 is: 720,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,208.80 : 1,290,579.08 = 521,749.16 : x
  2. Step 2: Convert to fraction form
    935,208.80/1,290,579.08 = 521,749.16/x
  3. Step 3: Cross multiply
    935,208.80x = 1,290,579.08 × 521,749.16
  4. Step 4: Simplify right side
    935,208.80x = 673,358,550,903.57
  5. Step 5: Solve for x
    x = 673,358,550,903.57/935,208.80
  6. Step 6: Final answer
    x = 720,008.78

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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.