Home / 684,004.46-943,796.20-429,240.82

Finding the Fourth Proportional to 684,004.46, 943,796.20 and 429,240.82

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Solution

The fourth proportional to 684,004.46, 943,796.20 and 429,240.82 is: 592,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,004.46 : 943,796.20 = 429,240.82 : x
  2. Step 2: Convert to fraction form
    684,004.46/943,796.20 = 429,240.82/x
  3. Step 3: Cross multiply
    684,004.46x = 943,796.20 × 429,240.82
  4. Step 4: Simplify right side
    684,004.46x = 405,115,854,800.88
  5. Step 5: Solve for x
    x = 405,115,854,800.88/684,004.46
  6. Step 6: Final answer
    x = 592,270.78

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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.