Home / 949,158.45-1,309,821.17-519,429.96

Finding the Fourth Proportional to 949,158.45, 1,309,821.17 and 519,429.96

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Solution

The fourth proportional to 949,158.45, 1,309,821.17 and 519,429.96 is: 716,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,158.45 : 1,309,821.17 = 519,429.96 : x
  2. Step 2: Convert to fraction form
    949,158.45/1,309,821.17 = 519,429.96/x
  3. Step 3: Cross multiply
    949,158.45x = 1,309,821.17 × 519,429.96
  4. Step 4: Simplify right side
    949,158.45x = 680,360,355,343.10
  5. Step 5: Solve for x
    x = 680,360,355,343.10/949,158.45
  6. Step 6: Final answer
    x = 716,803.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.