Home / 558,068.20-770,113.06-303,410.60

Finding the Fourth Proportional to 558,068.20, 770,113.06 and 303,410.60

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Solution

The fourth proportional to 558,068.20, 770,113.06 and 303,410.60 is: 418,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,068.20 : 770,113.06 = 303,410.60 : x
  2. Step 2: Convert to fraction form
    558,068.20/770,113.06 = 303,410.60/x
  3. Step 3: Cross multiply
    558,068.20x = 770,113.06 × 303,410.60
  4. Step 4: Simplify right side
    558,068.20x = 233,660,465,602.44
  5. Step 5: Solve for x
    x = 233,660,465,602.44/558,068.20
  6. Step 6: Final answer
    x = 418,695.18

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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.