Home / 1,036,991.30-1,555,486.95-289,037.30

Finding the Fourth Proportional to 1,036,991.30, 1,555,486.95 and 289,037.30

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Solution

The fourth proportional to 1,036,991.30, 1,555,486.95 and 289,037.30 is: 433,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,991.30 : 1,555,486.95 = 289,037.30 : x
  2. Step 2: Convert to fraction form
    1,036,991.30/1,555,486.95 = 289,037.30/x
  3. Step 3: Cross multiply
    1,036,991.30x = 1,555,486.95 × 289,037.30
  4. Step 4: Simplify right side
    1,036,991.30x = 449,593,748,213.24
  5. Step 5: Solve for x
    x = 449,593,748,213.24/1,036,991.30
  6. Step 6: Final answer
    x = 433,555.95

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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.