Home / 949,330.80-1,310,076.96-519,613.20

Finding the Fourth Proportional to 949,330.80, 1,310,076.96 and 519,613.20

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Solution

The fourth proportional to 949,330.80, 1,310,076.96 and 519,613.20 is: 717,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,330.80 : 1,310,076.96 = 519,613.20 : x
  2. Step 2: Convert to fraction form
    949,330.80/1,310,076.96 = 519,613.20/x
  3. Step 3: Cross multiply
    949,330.80x = 1,310,076.96 × 519,613.20
  4. Step 4: Simplify right side
    949,330.80x = 680,733,281,431.87
  5. Step 5: Solve for x
    x = 680,733,281,431.87/949,330.80
  6. Step 6: Final answer
    x = 717,066.47

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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.