Home / 1,058,722.79-1,587,686.72-384,637.55

Finding the Fourth Proportional to 1,058,722.79, 1,587,686.72 and 384,637.55

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Solution

The fourth proportional to 1,058,722.79, 1,587,686.72 and 384,637.55 is: 576,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,722.79 : 1,587,686.72 = 384,637.55 : x
  2. Step 2: Convert to fraction form
    1,058,722.79/1,587,686.72 = 384,637.55/x
  3. Step 3: Cross multiply
    1,058,722.79x = 1,587,686.72 × 384,637.55
  4. Step 4: Simplify right side
    1,058,722.79x = 610,683,920,286.72
  5. Step 5: Solve for x
    x = 610,683,920,286.72/1,058,722.79
  6. Step 6: Final answer
    x = 576,811.92

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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.