Home / 638,235.60-957,353.40-607,131.60

Finding the Fourth Proportional to 638,235.60, 957,353.40 and 607,131.60

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Solution

The fourth proportional to 638,235.60, 957,353.40 and 607,131.60 is: 910,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,235.60 : 957,353.40 = 607,131.60 : x
  2. Step 2: Convert to fraction form
    638,235.60/957,353.40 = 607,131.60/x
  3. Step 3: Cross multiply
    638,235.60x = 957,353.40 × 607,131.60
  4. Step 4: Simplify right side
    638,235.60x = 581,239,501,507.44
  5. Step 5: Solve for x
    x = 581,239,501,507.44/638,235.60
  6. Step 6: Final answer
    x = 910,697.40

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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.