Home / 919,356.31-1,269,336.72-575,331.32

Finding the Fourth Proportional to 919,356.31, 1,269,336.72 and 575,331.32

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Solution

The fourth proportional to 919,356.31, 1,269,336.72 and 575,331.32 is: 794,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,356.31 : 1,269,336.72 = 575,331.32 : x
  2. Step 2: Convert to fraction form
    919,356.31/1,269,336.72 = 575,331.32/x
  3. Step 3: Cross multiply
    919,356.31x = 1,269,336.72 × 575,331.32
  4. Step 4: Simplify right side
    919,356.31x = 730,289,175,972.91
  5. Step 5: Solve for x
    x = 730,289,175,972.91/919,356.31
  6. Step 6: Final answer
    x = 794,348.36

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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.