Home / 767,137.96-1,058,626.02-480,812.68

Finding the Fourth Proportional to 767,137.96, 1,058,626.02 and 480,812.68

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Solution

The fourth proportional to 767,137.96, 1,058,626.02 and 480,812.68 is: 663,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,137.96 : 1,058,626.02 = 480,812.68 : x
  2. Step 2: Convert to fraction form
    767,137.96/1,058,626.02 = 480,812.68/x
  3. Step 3: Cross multiply
    767,137.96x = 1,058,626.02 × 480,812.68
  4. Step 4: Simplify right side
    767,137.96x = 509,000,813,793.93
  5. Step 5: Solve for x
    x = 509,000,813,793.93/767,137.96
  6. Step 6: Final answer
    x = 663,506.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.