Home / 440,077.79-607,309.34-249,128.12

Finding the Fourth Proportional to 440,077.79, 607,309.34 and 249,128.12

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Solution

The fourth proportional to 440,077.79, 607,309.34 and 249,128.12 is: 343,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,077.79 : 607,309.34 = 249,128.12 : x
  2. Step 2: Convert to fraction form
    440,077.79/607,309.34 = 249,128.12/x
  3. Step 3: Cross multiply
    440,077.79x = 607,309.34 × 249,128.12
  4. Step 4: Simplify right side
    440,077.79x = 151,297,829,850.45
  5. Step 5: Solve for x
    x = 151,297,829,850.45/440,077.79
  6. Step 6: Final answer
    x = 343,797.93

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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.