Home / 436,720.64-654,031.18-249,163.52

Finding the Fourth Proportional to 436,720.64, 654,031.18 and 249,163.52

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Solution

The fourth proportional to 436,720.64, 654,031.18 and 249,163.52 is: 373,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,720.64 : 654,031.18 = 249,163.52 : x
  2. Step 2: Convert to fraction form
    436,720.64/654,031.18 = 249,163.52/x
  3. Step 3: Cross multiply
    436,720.64x = 654,031.18 × 249,163.52
  4. Step 4: Simplify right side
    436,720.64x = 162,960,710,998.55
  5. Step 5: Solve for x
    x = 162,960,710,998.55/436,720.64
  6. Step 6: Final answer
    x = 373,146.35

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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.