Home / 558,020.80-837,031.20-401,723.20

Finding the Fourth Proportional to 558,020.80, 837,031.20 and 401,723.20

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Solution

The fourth proportional to 558,020.80, 837,031.20 and 401,723.20 is: 602,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,020.80 : 837,031.20 = 401,723.20 : x
  2. Step 2: Convert to fraction form
    558,020.80/837,031.20 = 401,723.20/x
  3. Step 3: Cross multiply
    558,020.80x = 837,031.20 × 401,723.20
  4. Step 4: Simplify right side
    558,020.80x = 336,254,852,163.84
  5. Step 5: Solve for x
    x = 336,254,852,163.84/558,020.80
  6. Step 6: Final answer
    x = 602,584.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.