Home / 440,146.42-607,416.50-249,155.70

Finding the Fourth Proportional to 440,146.42, 607,416.50 and 249,155.70

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Solution

The fourth proportional to 440,146.42, 607,416.50 and 249,155.70 is: 343,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,146.42 : 607,416.50 = 249,155.70 : x
  2. Step 2: Convert to fraction form
    440,146.42/607,416.50 = 249,155.70/x
  3. Step 3: Cross multiply
    440,146.42x = 607,416.50 × 249,155.70
  4. Step 4: Simplify right side
    440,146.42x = 151,341,283,249.05
  5. Step 5: Solve for x
    x = 151,341,283,249.05/440,146.42
  6. Step 6: Final answer
    x = 343,843.04

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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.