Home / 1,093,037.20-1,639,555.80-620,645.20

Finding the Fourth Proportional to 1,093,037.20, 1,639,555.80 and 620,645.20

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Solution

The fourth proportional to 1,093,037.20, 1,639,555.80 and 620,645.20 is: 930,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,037.20 : 1,639,555.80 = 620,645.20 : x
  2. Step 2: Convert to fraction form
    1,093,037.20/1,639,555.80 = 620,645.20/x
  3. Step 3: Cross multiply
    1,093,037.20x = 1,639,555.80 × 620,645.20
  4. Step 4: Simplify right side
    1,093,037.20x = 1,017,582,437,402.16
  5. Step 5: Solve for x
    x = 1,017,582,437,402.16/1,093,037.20
  6. Step 6: Final answer
    x = 930,967.80

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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.