Home / 696,057.60-1,044,086.40-613,113.60

Finding the Fourth Proportional to 696,057.60, 1,044,086.40 and 613,113.60

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Solution

The fourth proportional to 696,057.60, 1,044,086.40 and 613,113.60 is: 919,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,057.60 : 1,044,086.40 = 613,113.60 : x
  2. Step 2: Convert to fraction form
    696,057.60/1,044,086.40 = 613,113.60/x
  3. Step 3: Cross multiply
    696,057.60x = 1,044,086.40 × 613,113.60
  4. Step 4: Simplify right side
    696,057.60x = 640,143,571,415.04
  5. Step 5: Solve for x
    x = 640,143,571,415.04/696,057.60
  6. Step 6: Final answer
    x = 919,670.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.