Home / 1,058,138.40-1,586,883.60-348,002.40

Finding the Fourth Proportional to 1,058,138.40, 1,586,883.60 and 348,002.40

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Solution

The fourth proportional to 1,058,138.40, 1,586,883.60 and 348,002.40 is: 521,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,138.40 : 1,586,883.60 = 348,002.40 : x
  2. Step 2: Convert to fraction form
    1,058,138.40/1,586,883.60 = 348,002.40/x
  3. Step 3: Cross multiply
    1,058,138.40x = 1,586,883.60 × 348,002.40
  4. Step 4: Simplify right side
    1,058,138.40x = 552,239,301,320.64
  5. Step 5: Solve for x
    x = 552,239,301,320.64/1,058,138.40
  6. Step 6: Final answer
    x = 521,897.04

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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.