Home / 935,979.08-1,291,541.91-528,087.38

Finding the Fourth Proportional to 935,979.08, 1,291,541.91 and 528,087.38

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Solution

The fourth proportional to 935,979.08, 1,291,541.91 and 528,087.38 is: 728,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,979.08 : 1,291,541.91 = 528,087.38 : x
  2. Step 2: Convert to fraction form
    935,979.08/1,291,541.91 = 528,087.38/x
  3. Step 3: Cross multiply
    935,979.08x = 1,291,541.91 × 528,087.38
  4. Step 4: Simplify right side
    935,979.08x = 682,046,983,412.10
  5. Step 5: Solve for x
    x = 682,046,983,412.10/935,979.08
  6. Step 6: Final answer
    x = 728,698.96

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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.