Home / 769,802.41-1,154,309.34-410,178.20

Finding the Fourth Proportional to 769,802.41, 1,154,309.34 and 410,178.20

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Solution

The fourth proportional to 769,802.41, 1,154,309.34 and 410,178.20 is: 615,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,802.41 : 1,154,309.34 = 410,178.20 : x
  2. Step 2: Convert to fraction form
    769,802.41/1,154,309.34 = 410,178.20/x
  3. Step 3: Cross multiply
    769,802.41x = 1,154,309.34 × 410,178.20
  4. Step 4: Simplify right side
    769,802.41x = 473,472,527,324.39
  5. Step 5: Solve for x
    x = 473,472,527,324.39/769,802.41
  6. Step 6: Final answer
    x = 615,057.22

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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.