Home / 1,840,280.20-2,758,778.70-718,088.20

Finding the Fourth Proportional to 1,840,280.20, 2,758,778.70 and 718,088.20

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Solution

The fourth proportional to 1,840,280.20, 2,758,778.70 and 718,088.20 is: 1,076,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,280.20 : 2,758,778.70 = 718,088.20 : x
  2. Step 2: Convert to fraction form
    1,840,280.20/2,758,778.70 = 718,088.20/x
  3. Step 3: Cross multiply
    1,840,280.20x = 2,758,778.70 × 718,088.20
  4. Step 4: Simplify right side
    1,840,280.20x = 1,981,046,430,881.34
  5. Step 5: Solve for x
    x = 1,981,046,430,881.34/1,840,280.20
  6. Step 6: Final answer
    x = 1,076,491.74

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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.