Home / 935,866.90-1,291,655.12-528,084.35

Finding the Fourth Proportional to 935,866.90, 1,291,655.12 and 528,084.35

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Solution

The fourth proportional to 935,866.90, 1,291,655.12 and 528,084.35 is: 728,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,866.90 : 1,291,655.12 = 528,084.35 : x
  2. Step 2: Convert to fraction form
    935,866.90/1,291,655.12 = 528,084.35/x
  3. Step 3: Cross multiply
    935,866.90x = 1,291,655.12 × 528,084.35
  4. Step 4: Simplify right side
    935,866.90x = 682,102,854,469.37
  5. Step 5: Solve for x
    x = 682,102,854,469.37/935,866.90
  6. Step 6: Final answer
    x = 728,846.01

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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.