Home / 1,058,973.63-1,587,819.53-427,149.33

Finding the Fourth Proportional to 1,058,973.63, 1,587,819.53 and 427,149.33

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Solution

The fourth proportional to 1,058,973.63, 1,587,819.53 and 427,149.33 is: 640,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,973.63 : 1,587,819.53 = 427,149.33 : x
  2. Step 2: Convert to fraction form
    1,058,973.63/1,587,819.53 = 427,149.33/x
  3. Step 3: Cross multiply
    1,058,973.63x = 1,587,819.53 × 427,149.33
  4. Step 4: Simplify right side
    1,058,973.63x = 678,236,046,264.67
  5. Step 5: Solve for x
    x = 678,236,046,264.67/1,058,973.63
  6. Step 6: Final answer
    x = 640,465.47

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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.