Home / 579,691.95-799,982.78-434,240.06

Finding the Fourth Proportional to 579,691.95, 799,982.78 and 434,240.06

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Solution

The fourth proportional to 579,691.95, 799,982.78 and 434,240.06 is: 599,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,691.95 : 799,982.78 = 434,240.06 : x
  2. Step 2: Convert to fraction form
    579,691.95/799,982.78 = 434,240.06/x
  3. Step 3: Cross multiply
    579,691.95x = 799,982.78 × 434,240.06
  4. Step 4: Simplify right side
    579,691.95x = 347,384,564,215.05
  5. Step 5: Solve for x
    x = 347,384,564,215.05/579,691.95
  6. Step 6: Final answer
    x = 599,257.18

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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.