Home / 1,714,077.10-2,571,440.64-689,485.78

Finding the Fourth Proportional to 1,714,077.10, 2,571,440.64 and 689,485.78

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Solution

The fourth proportional to 1,714,077.10, 2,571,440.64 and 689,485.78 is: 1,034,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714,077.10 : 2,571,440.64 = 689,485.78 : x
  2. Step 2: Convert to fraction form
    1,714,077.10/2,571,440.64 = 689,485.78/x
  3. Step 3: Cross multiply
    1,714,077.10x = 2,571,440.64 × 689,485.78
  4. Step 4: Simplify right side
    1,714,077.10x = 1,772,971,755,394.10
  5. Step 5: Solve for x
    x = 1,772,971,755,394.10/1,714,077.10
  6. Step 6: Final answer
    x = 1,034,359.40

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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.