Home / 1,038,133.70-1,557,200.55-611,231.30

Finding the Fourth Proportional to 1,038,133.70, 1,557,200.55 and 611,231.30

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Solution

The fourth proportional to 1,038,133.70, 1,557,200.55 and 611,231.30 is: 916,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,133.70 : 1,557,200.55 = 611,231.30 : x
  2. Step 2: Convert to fraction form
    1,038,133.70/1,557,200.55 = 611,231.30/x
  3. Step 3: Cross multiply
    1,038,133.70x = 1,557,200.55 × 611,231.30
  4. Step 4: Simplify right side
    1,038,133.70x = 951,809,716,537.22
  5. Step 5: Solve for x
    x = 951,809,716,537.22/1,038,133.70
  6. Step 6: Final answer
    x = 916,846.95

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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.