Home / 948,853.45-1,309,420.92-519,132.25

Finding the Fourth Proportional to 948,853.45, 1,309,420.92 and 519,132.25

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Solution

The fourth proportional to 948,853.45, 1,309,420.92 and 519,132.25 is: 716,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,853.45 : 1,309,420.92 = 519,132.25 : x
  2. Step 2: Convert to fraction form
    948,853.45/1,309,420.92 = 519,132.25/x
  3. Step 3: Cross multiply
    948,853.45x = 1,309,420.92 × 519,132.25
  4. Step 4: Simplify right side
    948,853.45x = 679,762,628,396.67
  5. Step 5: Solve for x
    x = 679,762,628,396.67/948,853.45
  6. Step 6: Final answer
    x = 716,404.23

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Double scale
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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.