Home / 1,601,767.90-2,210,440.55-876,615.20

Finding the Fourth Proportional to 1,601,767.90, 2,210,440.55 and 876,615.20

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Solution

The fourth proportional to 1,601,767.90, 2,210,440.55 and 876,615.20 is: 1,209,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,767.90 : 2,210,440.55 = 876,615.20 : x
  2. Step 2: Convert to fraction form
    1,601,767.90/2,210,440.55 = 876,615.20/x
  3. Step 3: Cross multiply
    1,601,767.90x = 2,210,440.55 × 876,615.20
  4. Step 4: Simplify right side
    1,601,767.90x = 1,937,705,784,826.36
  5. Step 5: Solve for x
    x = 1,937,705,784,826.36/1,601,767.90
  6. Step 6: Final answer
    x = 1,209,729.44

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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.