Home / 1,057,612.44-1,585,822.50-347,449.80

Finding the Fourth Proportional to 1,057,612.44, 1,585,822.50 and 347,449.80

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Solution

The fourth proportional to 1,057,612.44, 1,585,822.50 and 347,449.80 is: 520,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,612.44 : 1,585,822.50 = 347,449.80 : x
  2. Step 2: Convert to fraction form
    1,057,612.44/1,585,822.50 = 347,449.80/x
  3. Step 3: Cross multiply
    1,057,612.44x = 1,585,822.50 × 347,449.80
  4. Step 4: Simplify right side
    1,057,612.44x = 550,993,710,460.50
  5. Step 5: Solve for x
    x = 550,993,710,460.50/1,057,612.44
  6. Step 6: Final answer
    x = 520,978.85

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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.