Home / 743,764.20-1,116,683.10-463,828.20

Finding the Fourth Proportional to 743,764.20, 1,116,683.10 and 463,828.20

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Solution

The fourth proportional to 743,764.20, 1,116,683.10 and 463,828.20 is: 696,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,764.20 : 1,116,683.10 = 463,828.20 : x
  2. Step 2: Convert to fraction form
    743,764.20/1,116,683.10 = 463,828.20/x
  3. Step 3: Cross multiply
    743,764.20x = 1,116,683.10 × 463,828.20
  4. Step 4: Simplify right side
    743,764.20x = 517,949,112,243.42
  5. Step 5: Solve for x
    x = 517,949,112,243.42/743,764.20
  6. Step 6: Final answer
    x = 696,388.87

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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.