Home / 826,695.23-1,140,905.32-464,142.88

Finding the Fourth Proportional to 826,695.23, 1,140,905.32 and 464,142.88

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Solution

The fourth proportional to 826,695.23, 1,140,905.32 and 464,142.88 is: 640,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,695.23 : 1,140,905.32 = 464,142.88 : x
  2. Step 2: Convert to fraction form
    826,695.23/1,140,905.32 = 464,142.88/x
  3. Step 3: Cross multiply
    826,695.23x = 1,140,905.32 × 464,142.88
  4. Step 4: Simplify right side
    826,695.23x = 529,543,077,019.50
  5. Step 5: Solve for x
    x = 529,543,077,019.50/826,695.23
  6. Step 6: Final answer
    x = 640,554.17

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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.