Home / 440,317.46-607,429.45-297,123.64

Finding the Fourth Proportional to 440,317.46, 607,429.45 and 297,123.64

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Solution

The fourth proportional to 440,317.46, 607,429.45 and 297,123.64 is: 409,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,317.46 : 607,429.45 = 297,123.64 : x
  2. Step 2: Convert to fraction form
    440,317.46/607,429.45 = 297,123.64/x
  3. Step 3: Cross multiply
    440,317.46x = 607,429.45 × 297,123.64
  4. Step 4: Simplify right side
    440,317.46x = 180,481,649,227.20
  5. Step 5: Solve for x
    x = 180,481,649,227.20/440,317.46
  6. Step 6: Final answer
    x = 409,889.83

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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.