Home / 1,587,127.37-2,190,378.63-898,966.61

Finding the Fourth Proportional to 1,587,127.37, 2,190,378.63 and 898,966.61

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Solution

The fourth proportional to 1,587,127.37, 2,190,378.63 and 898,966.61 is: 1,240,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,127.37 : 2,190,378.63 = 898,966.61 : x
  2. Step 2: Convert to fraction form
    1,587,127.37/2,190,378.63 = 898,966.61/x
  3. Step 3: Cross multiply
    1,587,127.37x = 2,190,378.63 × 898,966.61
  4. Step 4: Simplify right side
    1,587,127.37x = 1,969,077,251,627.54
  5. Step 5: Solve for x
    x = 1,969,077,251,627.54/1,587,127.37
  6. Step 6: Final answer
    x = 1,240,654.84

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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.