Home / 761,119.71-1,141,747.02-200,154.21

Finding the Fourth Proportional to 761,119.71, 1,141,747.02 and 200,154.21

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Solution

The fourth proportional to 761,119.71, 1,141,747.02 and 200,154.21 is: 300,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,119.71 : 1,141,747.02 = 200,154.21 : x
  2. Step 2: Convert to fraction form
    761,119.71/1,141,747.02 = 200,154.21/x
  3. Step 3: Cross multiply
    761,119.71x = 1,141,747.02 × 200,154.21
  4. Step 4: Simplify right side
    761,119.71x = 228,525,472,807.95
  5. Step 5: Solve for x
    x = 228,525,472,807.95/761,119.71
  6. Step 6: Final answer
    x = 300,249.05

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Double scale
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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.