Home / 1,058,778.40-1,587,826.32-348,637.36

Finding the Fourth Proportional to 1,058,778.40, 1,587,826.32 and 348,637.36

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Solution

The fourth proportional to 1,058,778.40, 1,587,826.32 and 348,637.36 is: 522,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,778.40 : 1,587,826.32 = 348,637.36 : x
  2. Step 2: Convert to fraction form
    1,058,778.40/1,587,826.32 = 348,637.36/x
  3. Step 3: Cross multiply
    1,058,778.40x = 1,587,826.32 × 348,637.36
  4. Step 4: Simplify right side
    1,058,778.40x = 553,575,576,343.32
  5. Step 5: Solve for x
    x = 553,575,576,343.32/1,058,778.40
  6. Step 6: Final answer
    x = 522,843.66

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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.