Home / 1,039,745.60-1,559,618.40-251,777.60

Finding the Fourth Proportional to 1,039,745.60, 1,559,618.40 and 251,777.60

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Solution

The fourth proportional to 1,039,745.60, 1,559,618.40 and 251,777.60 is: 377,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,745.60 : 1,559,618.40 = 251,777.60 : x
  2. Step 2: Convert to fraction form
    1,039,745.60/1,559,618.40 = 251,777.60/x
  3. Step 3: Cross multiply
    1,039,745.60x = 1,559,618.40 × 251,777.60
  4. Step 4: Simplify right side
    1,039,745.60x = 392,676,977,667.84
  5. Step 5: Solve for x
    x = 392,676,977,667.84/1,039,745.60
  6. Step 6: Final answer
    x = 377,666.40

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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.