Home / 1,219,649.60-1,831,150.17-621,013.01

Finding the Fourth Proportional to 1,219,649.60, 1,831,150.17 and 621,013.01

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Solution

The fourth proportional to 1,219,649.60, 1,831,150.17 and 621,013.01 is: 932,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,649.60 : 1,831,150.17 = 621,013.01 : x
  2. Step 2: Convert to fraction form
    1,219,649.60/1,831,150.17 = 621,013.01/x
  3. Step 3: Cross multiply
    1,219,649.60x = 1,831,150.17 × 621,013.01
  4. Step 4: Simplify right side
    1,219,649.60x = 1,137,168,078,833.71
  5. Step 5: Solve for x
    x = 1,137,168,078,833.71/1,219,649.60
  6. Step 6: Final answer
    x = 932,372.77

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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.