Home / 639,205.56-958,559.13-239,628.51

Finding the Fourth Proportional to 639,205.56, 958,559.13 and 239,628.51

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Solution

The fourth proportional to 639,205.56, 958,559.13 and 239,628.51 is: 359,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,205.56 : 958,559.13 = 239,628.51 : x
  2. Step 2: Convert to fraction form
    639,205.56/958,559.13 = 239,628.51/x
  3. Step 3: Cross multiply
    639,205.56x = 958,559.13 × 239,628.51
  4. Step 4: Simplify right side
    639,205.56x = 229,698,096,068.80
  5. Step 5: Solve for x
    x = 229,698,096,068.80/639,205.56
  6. Step 6: Final answer
    x = 359,349.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.