Home / 767,185.60-1,058,730.08-427,617.28

Finding the Fourth Proportional to 767,185.60, 1,058,730.08 and 427,617.28

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Solution

The fourth proportional to 767,185.60, 1,058,730.08 and 427,617.28 is: 590,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,185.60 : 1,058,730.08 = 427,617.28 : x
  2. Step 2: Convert to fraction form
    767,185.60/1,058,730.08 = 427,617.28/x
  3. Step 3: Cross multiply
    767,185.60x = 1,058,730.08 × 427,617.28
  4. Step 4: Simplify right side
    767,185.60x = 452,731,277,063.78
  5. Step 5: Solve for x
    x = 452,731,277,063.78/767,185.60
  6. Step 6: Final answer
    x = 590,119.62

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1.5x scale

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.