Home / 579,568.40-869,352.60-200,488.40

Finding the Fourth Proportional to 579,568.40, 869,352.60 and 200,488.40

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Solution

The fourth proportional to 579,568.40, 869,352.60 and 200,488.40 is: 300,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,568.40 : 869,352.60 = 200,488.40 : x
  2. Step 2: Convert to fraction form
    579,568.40/869,352.60 = 200,488.40/x
  3. Step 3: Cross multiply
    579,568.40x = 869,352.60 × 200,488.40
  4. Step 4: Simplify right side
    579,568.40x = 174,295,111,809.84
  5. Step 5: Solve for x
    x = 174,295,111,809.84/579,568.40
  6. Step 6: Final answer
    x = 300,732.60

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Half scale
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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.