Home / 1,726,142.86-2,589,120.40-528,065.16

Finding the Fourth Proportional to 1,726,142.86, 2,589,120.40 and 528,065.16

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Solution

The fourth proportional to 1,726,142.86, 2,589,120.40 and 528,065.16 is: 792,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,142.86 : 2,589,120.40 = 528,065.16 : x
  2. Step 2: Convert to fraction form
    1,726,142.86/2,589,120.40 = 528,065.16/x
  3. Step 3: Cross multiply
    1,726,142.86x = 2,589,120.40 × 528,065.16
  4. Step 4: Simplify right side
    1,726,142.86x = 1,367,224,278,285.26
  5. Step 5: Solve for x
    x = 1,367,224,278,285.26/1,726,142.86
  6. Step 6: Final answer
    x = 792,069.02

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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.