Home / 1,480,811.70-2,219,921.55-1,005,957.30

Finding the Fourth Proportional to 1,480,811.70, 2,219,921.55 and 1,005,957.30

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Solution

The fourth proportional to 1,480,811.70, 2,219,921.55 and 1,005,957.30 is: 1,508,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,811.70 : 2,219,921.55 = 1,005,957.30 : x
  2. Step 2: Convert to fraction form
    1,480,811.70/2,219,921.55 = 1,005,957.30/x
  3. Step 3: Cross multiply
    1,480,811.70x = 2,219,921.55 × 1,005,957.30
  4. Step 4: Simplify right side
    1,480,811.70x = 2,233,146,288,649.82
  5. Step 5: Solve for x
    x = 2,233,146,288,649.82/1,480,811.70
  6. Step 6: Final answer
    x = 1,508,055.54

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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.