Home / 698,788.20-964,047.72-440,580.24

Finding the Fourth Proportional to 698,788.20, 964,047.72 and 440,580.24

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Solution

The fourth proportional to 698,788.20, 964,047.72 and 440,580.24 is: 607,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,788.20 : 964,047.72 = 440,580.24 : x
  2. Step 2: Convert to fraction form
    698,788.20/964,047.72 = 440,580.24/x
  3. Step 3: Cross multiply
    698,788.20x = 964,047.72 × 440,580.24
  4. Step 4: Simplify right side
    698,788.20x = 424,740,375,849.05
  5. Step 5: Solve for x
    x = 424,740,375,849.05/698,788.20
  6. Step 6: Final answer
    x = 607,824.20

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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.