Home / 949,483.96-1,310,287.74-519,764.36

Finding the Fourth Proportional to 949,483.96, 1,310,287.74 and 519,764.36

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Solution

The fourth proportional to 949,483.96, 1,310,287.74 and 519,764.36 is: 717,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,483.96 : 1,310,287.74 = 519,764.36 : x
  2. Step 2: Convert to fraction form
    949,483.96/1,310,287.74 = 519,764.36/x
  3. Step 3: Cross multiply
    949,483.96x = 1,310,287.74 × 519,764.36
  4. Step 4: Simplify right side
    949,483.96x = 681,040,868,596.95
  5. Step 5: Solve for x
    x = 681,040,868,596.95/949,483.96
  6. Step 6: Final answer
    x = 717,274.75

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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.