Home / 558,599.98-769,399.50-429,291.04

Finding the Fourth Proportional to 558,599.98, 769,399.50 and 429,291.04

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Solution

The fourth proportional to 558,599.98, 769,399.50 and 429,291.04 is: 591,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,599.98 : 769,399.50 = 429,291.04 : x
  2. Step 2: Convert to fraction form
    558,599.98/769,399.50 = 429,291.04/x
  3. Step 3: Cross multiply
    558,599.98x = 769,399.50 × 429,291.04
  4. Step 4: Simplify right side
    558,599.98x = 330,296,311,530.48
  5. Step 5: Solve for x
    x = 330,296,311,530.48/558,599.98
  6. Step 6: Final answer
    x = 591,293.10

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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.