Home / 1,531,664.40-2,298,371.40-1,058,689.20

Finding the Fourth Proportional to 1,531,664.40, 2,298,371.40 and 1,058,689.20

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Solution

The fourth proportional to 1,531,664.40, 2,298,371.40 and 1,058,689.20 is: 1,588,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,664.40 : 2,298,371.40 = 1,058,689.20 : x
  2. Step 2: Convert to fraction form
    1,531,664.40/2,298,371.40 = 1,058,689.20/x
  3. Step 3: Cross multiply
    1,531,664.40x = 2,298,371.40 × 1,058,689.20
  4. Step 4: Simplify right side
    1,531,664.40x = 2,433,260,978,768.88
  5. Step 5: Solve for x
    x = 2,433,260,978,768.88/1,531,664.40
  6. Step 6: Final answer
    x = 1,588,638.46

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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.