Home / 347,206.38-517,015.26-334,437.12

Finding the Fourth Proportional to 347,206.38, 517,015.26 and 334,437.12

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Solution

The fourth proportional to 347,206.38, 517,015.26 and 334,437.12 is: 498,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,206.38 : 517,015.26 = 334,437.12 : x
  2. Step 2: Convert to fraction form
    347,206.38/517,015.26 = 334,437.12/x
  3. Step 3: Cross multiply
    347,206.38x = 517,015.26 × 334,437.12
  4. Step 4: Simplify right side
    347,206.38x = 172,909,094,550.45
  5. Step 5: Solve for x
    x = 172,909,094,550.45/347,206.38
  6. Step 6: Final answer
    x = 498,000.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.