Home / 935,995.74-1,291,563.03-528,073.77

Finding the Fourth Proportional to 935,995.74, 1,291,563.03 and 528,073.77

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Solution

The fourth proportional to 935,995.74, 1,291,563.03 and 528,073.77 is: 728,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,995.74 : 1,291,563.03 = 528,073.77 : x
  2. Step 2: Convert to fraction form
    935,995.74/1,291,563.03 = 528,073.77/x
  3. Step 3: Cross multiply
    935,995.74x = 1,291,563.03 × 528,073.77
  4. Step 4: Simplify right side
    935,995.74x = 682,040,558,444.72
  5. Step 5: Solve for x
    x = 682,040,558,444.72/935,995.74
  6. Step 6: Final answer
    x = 728,679.13

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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.