Home / 751,569.85-1,127,541.62-219,095.56

Finding the Fourth Proportional to 751,569.85, 1,127,541.62 and 219,095.56

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Solution

The fourth proportional to 751,569.85, 1,127,541.62 and 219,095.56 is: 328,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,569.85 : 1,127,541.62 = 219,095.56 : x
  2. Step 2: Convert to fraction form
    751,569.85/1,127,541.62 = 219,095.56/x
  3. Step 3: Cross multiply
    751,569.85x = 1,127,541.62 × 219,095.56
  4. Step 4: Simplify right side
    751,569.85x = 247,039,362,657.21
  5. Step 5: Solve for x
    x = 247,039,362,657.21/751,569.85
  6. Step 6: Final answer
    x = 328,697.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.