Home / 639,341.48-958,926.90-190,053.92

Finding the Fourth Proportional to 639,341.48, 958,926.90 and 190,053.92

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Solution

The fourth proportional to 639,341.48, 958,926.90 and 190,053.92 is: 285,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,341.48 : 958,926.90 = 190,053.92 : x
  2. Step 2: Convert to fraction form
    639,341.48/958,926.90 = 190,053.92/x
  3. Step 3: Cross multiply
    639,341.48x = 958,926.90 × 190,053.92
  4. Step 4: Simplify right side
    639,341.48x = 182,247,816,338.45
  5. Step 5: Solve for x
    x = 182,247,816,338.45/639,341.48
  6. Step 6: Final answer
    x = 285,055.52

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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.