Home / 1,563,762.43-2,156,879.44-1,435,116.43

Finding the Fourth Proportional to 1,563,762.43, 2,156,879.44 and 1,435,116.43

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Solution

The fourth proportional to 1,563,762.43, 2,156,879.44 and 1,435,116.43 is: 1,979,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,762.43 : 2,156,879.44 = 1,435,116.43 : x
  2. Step 2: Convert to fraction form
    1,563,762.43/2,156,879.44 = 1,435,116.43/x
  3. Step 3: Cross multiply
    1,563,762.43x = 2,156,879.44 × 1,435,116.43
  4. Step 4: Simplify right side
    1,563,762.43x = 3,095,373,120,068.79
  5. Step 5: Solve for x
    x = 3,095,373,120,068.79/1,563,762.43
  6. Step 6: Final answer
    x = 1,979,439.50

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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.