Home / 1,530,889.28-2,112,886.24-886,701.68

Finding the Fourth Proportional to 1,530,889.28, 2,112,886.24 and 886,701.68

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Solution

The fourth proportional to 1,530,889.28, 2,112,886.24 and 886,701.68 is: 1,223,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,889.28 : 2,112,886.24 = 886,701.68 : x
  2. Step 2: Convert to fraction form
    1,530,889.28/2,112,886.24 = 886,701.68/x
  3. Step 3: Cross multiply
    1,530,889.28x = 2,112,886.24 × 886,701.68
  4. Step 4: Simplify right side
    1,530,889.28x = 1,873,499,778,656.88
  5. Step 5: Solve for x
    x = 1,873,499,778,656.88/1,530,889.28
  6. Step 6: Final answer
    x = 1,223,798.35

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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.