Home / 430,149.06-593,602.41-239,160.78

Finding the Fourth Proportional to 430,149.06, 593,602.41 and 239,160.78

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Solution

The fourth proportional to 430,149.06, 593,602.41 and 239,160.78 is: 330,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,149.06 : 593,602.41 = 239,160.78 : x
  2. Step 2: Convert to fraction form
    430,149.06/593,602.41 = 239,160.78/x
  3. Step 3: Cross multiply
    430,149.06x = 593,602.41 × 239,160.78
  4. Step 4: Simplify right side
    430,149.06x = 141,966,415,385.48
  5. Step 5: Solve for x
    x = 141,966,415,385.48/430,149.06
  6. Step 6: Final answer
    x = 330,040.05

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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.