Home / 935,985.03-1,291,659.10-528,083.20

Finding the Fourth Proportional to 935,985.03, 1,291,659.10 and 528,083.20

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Solution

The fourth proportional to 935,985.03, 1,291,659.10 and 528,083.20 is: 728,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,985.03 : 1,291,659.10 = 528,083.20 : x
  2. Step 2: Convert to fraction form
    935,985.03/1,291,659.10 = 528,083.20/x
  3. Step 3: Cross multiply
    935,985.03x = 1,291,659.10 × 528,083.20
  4. Step 4: Simplify right side
    935,985.03x = 682,103,470,837.12
  5. Step 5: Solve for x
    x = 682,103,470,837.12/935,985.03
  6. Step 6: Final answer
    x = 728,754.68

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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.