Home / 434,260.56-654,349.08-357,103.20

Finding the Fourth Proportional to 434,260.56, 654,349.08 and 357,103.20

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Solution

The fourth proportional to 434,260.56, 654,349.08 and 357,103.20 is: 538,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,260.56 : 654,349.08 = 357,103.20 : x
  2. Step 2: Convert to fraction form
    434,260.56/654,349.08 = 357,103.20/x
  3. Step 3: Cross multiply
    434,260.56x = 654,349.08 × 357,103.20
  4. Step 4: Simplify right side
    434,260.56x = 233,670,150,385.06
  5. Step 5: Solve for x
    x = 233,670,150,385.06/434,260.56
  6. Step 6: Final answer
    x = 538,087.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.