Home / 440,334.90-607,848.24-297,288.72

Finding the Fourth Proportional to 440,334.90, 607,848.24 and 297,288.72

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Solution

The fourth proportional to 440,334.90, 607,848.24 and 297,288.72 is: 410,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,334.90 : 607,848.24 = 297,288.72 : x
  2. Step 2: Convert to fraction form
    440,334.90/607,848.24 = 297,288.72/x
  3. Step 3: Cross multiply
    440,334.90x = 607,848.24 × 297,288.72
  4. Step 4: Simplify right side
    440,334.90x = 180,706,425,223.85
  5. Step 5: Solve for x
    x = 180,706,425,223.85/440,334.90
  6. Step 6: Final answer
    x = 410,384.06

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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.