Home / 581,928.72-872,096.82-439,657.08

Finding the Fourth Proportional to 581,928.72, 872,096.82 and 439,657.08

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Solution

The fourth proportional to 581,928.72, 872,096.82 and 439,657.08 is: 658,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,928.72 : 872,096.82 = 439,657.08 : x
  2. Step 2: Convert to fraction form
    581,928.72/872,096.82 = 439,657.08/x
  3. Step 3: Cross multiply
    581,928.72x = 872,096.82 × 439,657.08
  4. Step 4: Simplify right side
    581,928.72x = 383,423,541,358.49
  5. Step 5: Solve for x
    x = 383,423,541,358.49/581,928.72
  6. Step 6: Final answer
    x = 658,884.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.