Home / 558,218.04-770,333.67-303,563.76

Finding the Fourth Proportional to 558,218.04, 770,333.67 and 303,563.76

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Solution

The fourth proportional to 558,218.04, 770,333.67 and 303,563.76 is: 418,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,218.04 : 770,333.67 = 303,563.76 : x
  2. Step 2: Convert to fraction form
    558,218.04/770,333.67 = 303,563.76/x
  3. Step 3: Cross multiply
    558,218.04x = 770,333.67 × 303,563.76
  4. Step 4: Simplify right side
    558,218.04x = 233,845,385,319.80
  5. Step 5: Solve for x
    x = 233,845,385,319.80/558,218.04
  6. Step 6: Final answer
    x = 418,914.06

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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.