Home / 767,074.60-1,058,811.78-512,482.60

Finding the Fourth Proportional to 767,074.60, 1,058,811.78 and 512,482.60

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Solution

The fourth proportional to 767,074.60, 1,058,811.78 and 512,482.60 is: 707,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,074.60 : 1,058,811.78 = 512,482.60 : x
  2. Step 2: Convert to fraction form
    767,074.60/1,058,811.78 = 512,482.60/x
  3. Step 3: Cross multiply
    767,074.60x = 1,058,811.78 × 512,482.60
  4. Step 4: Simplify right side
    767,074.60x = 542,622,613,925.03
  5. Step 5: Solve for x
    x = 542,622,613,925.03/767,074.60
  6. Step 6: Final answer
    x = 707,392.23

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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.