Home / 579,117.40-868,676.10-200,037.40

Finding the Fourth Proportional to 579,117.40, 868,676.10 and 200,037.40

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Solution

The fourth proportional to 579,117.40, 868,676.10 and 200,037.40 is: 300,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,117.40 : 868,676.10 = 200,037.40 : x
  2. Step 2: Convert to fraction form
    579,117.40/868,676.10 = 200,037.40/x
  3. Step 3: Cross multiply
    579,117.40x = 868,676.10 × 200,037.40
  4. Step 4: Simplify right side
    579,117.40x = 173,767,708,486.14
  5. Step 5: Solve for x
    x = 173,767,708,486.14/579,117.40
  6. Step 6: Final answer
    x = 300,056.10

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Half scale
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Double scale
Find fourth proportional to 579,118.40, 868,677.60 and 200,038.40
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.