Home / 691,137.30-1,036,705.95-573,039.30

Finding the Fourth Proportional to 691,137.30, 1,036,705.95 and 573,039.30

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Solution

The fourth proportional to 691,137.30, 1,036,705.95 and 573,039.30 is: 859,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,137.30 : 1,036,705.95 = 573,039.30 : x
  2. Step 2: Convert to fraction form
    691,137.30/1,036,705.95 = 573,039.30/x
  3. Step 3: Cross multiply
    691,137.30x = 1,036,705.95 × 573,039.30
  4. Step 4: Simplify right side
    691,137.30x = 594,073,251,893.84
  5. Step 5: Solve for x
    x = 594,073,251,893.84/691,137.30
  6. Step 6: Final answer
    x = 859,558.95

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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.