Home / 1,587,173.64-2,190,315.42-862,035.52

Finding the Fourth Proportional to 1,587,173.64, 2,190,315.42 and 862,035.52

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Solution

The fourth proportional to 1,587,173.64, 2,190,315.42 and 862,035.52 is: 1,189,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,173.64 : 2,190,315.42 = 862,035.52 : x
  2. Step 2: Convert to fraction form
    1,587,173.64/2,190,315.42 = 862,035.52/x
  3. Step 3: Cross multiply
    1,587,173.64x = 2,190,315.42 × 862,035.52
  4. Step 4: Simplify right side
    1,587,173.64x = 1,888,129,692,043.72
  5. Step 5: Solve for x
    x = 1,888,129,692,043.72/1,587,173.64
  6. Step 6: Final answer
    x = 1,189,617.60

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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.