Home / 949,086.04-1,311,161.34-623,172.28

Finding the Fourth Proportional to 949,086.04, 1,311,161.34 and 623,172.28

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Solution

The fourth proportional to 949,086.04, 1,311,161.34 and 623,172.28 is: 860,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,086.04 : 1,311,161.34 = 623,172.28 : x
  2. Step 2: Convert to fraction form
    949,086.04/1,311,161.34 = 623,172.28/x
  3. Step 3: Cross multiply
    949,086.04x = 1,311,161.34 × 623,172.28
  4. Step 4: Simplify right side
    949,086.04x = 817,079,401,695.66
  5. Step 5: Solve for x
    x = 817,079,401,695.66/949,086.04
  6. Step 6: Final answer
    x = 860,911.83

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1.5x scale

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.