Home / 936,134.22-1,291,861.31-506,413.28

Finding the Fourth Proportional to 936,134.22, 1,291,861.31 and 506,413.28

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Solution

The fourth proportional to 936,134.22, 1,291,861.31 and 506,413.28 is: 698,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,134.22 : 1,291,861.31 = 506,413.28 : x
  2. Step 2: Convert to fraction form
    936,134.22/1,291,861.31 = 506,413.28/x
  3. Step 3: Cross multiply
    936,134.22x = 1,291,861.31 × 506,413.28
  4. Step 4: Simplify right side
    936,134.22x = 654,215,723,302.20
  5. Step 5: Solve for x
    x = 654,215,723,302.20/936,134.22
  6. Step 6: Final answer
    x = 698,848.21

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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.