Home / 949,360.20-1,310,066.36-519,557.20

Finding the Fourth Proportional to 949,360.20, 1,310,066.36 and 519,557.20

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Solution

The fourth proportional to 949,360.20, 1,310,066.36 and 519,557.20 is: 716,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,360.20 : 1,310,066.36 = 519,557.20 : x
  2. Step 2: Convert to fraction form
    949,360.20/1,310,066.36 = 519,557.20/x
  3. Step 3: Cross multiply
    949,360.20x = 1,310,066.36 × 519,557.20
  4. Step 4: Simplify right side
    949,360.20x = 680,654,409,815.79
  5. Step 5: Solve for x
    x = 680,654,409,815.79/949,360.20
  6. Step 6: Final answer
    x = 716,961.18

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Double scale
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Similar ratio
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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.