Home / 440,389.45-607,717.09-249,404.21

Finding the Fourth Proportional to 440,389.45, 607,717.09 and 249,404.21

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Solution

The fourth proportional to 440,389.45, 607,717.09 and 249,404.21 is: 344,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,389.45 : 607,717.09 = 249,404.21 : x
  2. Step 2: Convert to fraction form
    440,389.45/607,717.09 = 249,404.21/x
  3. Step 3: Cross multiply
    440,389.45x = 607,717.09 × 249,404.21
  4. Step 4: Simplify right side
    440,389.45x = 151,567,200,734.95
  5. Step 5: Solve for x
    x = 151,567,200,734.95/440,389.45
  6. Step 6: Final answer
    x = 344,166.28

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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.