Home / 528,327.47-729,091.91-301,977.83

Finding the Fourth Proportional to 528,327.47, 729,091.91 and 301,977.83

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Solution

The fourth proportional to 528,327.47, 729,091.91 and 301,977.83 is: 416,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,327.47 : 729,091.91 = 301,977.83 : x
  2. Step 2: Convert to fraction form
    528,327.47/729,091.91 = 301,977.83/x
  3. Step 3: Cross multiply
    528,327.47x = 729,091.91 × 301,977.83
  4. Step 4: Simplify right side
    528,327.47x = 220,169,587,697.01
  5. Step 5: Solve for x
    x = 220,169,587,697.01/528,327.47
  6. Step 6: Final answer
    x = 416,729.40

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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.