Home / 949,328.60-1,310,071.26-519,604.97

Finding the Fourth Proportional to 949,328.60, 1,310,071.26 and 519,604.97

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Solution

The fourth proportional to 949,328.60, 1,310,071.26 and 519,604.97 is: 717,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,328.60 : 1,310,071.26 = 519,604.97 : x
  2. Step 2: Convert to fraction form
    949,328.60/1,310,071.26 = 519,604.97/x
  3. Step 3: Cross multiply
    949,328.60x = 1,310,071.26 × 519,604.97
  4. Step 4: Simplify right side
    949,328.60x = 680,719,531,199.81
  5. Step 5: Solve for x
    x = 680,719,531,199.81/949,328.60
  6. Step 6: Final answer
    x = 717,053.65

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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.