Home / 440,333.90-607,846.86-297,287.72

Finding the Fourth Proportional to 440,333.90, 607,846.86 and 297,287.72

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Solution

The fourth proportional to 440,333.90, 607,846.86 and 297,287.72 is: 410,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,333.90 : 607,846.86 = 297,287.72 : x
  2. Step 2: Convert to fraction form
    440,333.90/607,846.86 = 297,287.72/x
  3. Step 3: Cross multiply
    440,333.90x = 607,846.86 × 297,287.72
  4. Step 4: Simplify right side
    440,333.90x = 180,705,407,118.56
  5. Step 5: Solve for x
    x = 180,705,407,118.56/440,333.90
  6. Step 6: Final answer
    x = 410,382.68

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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.