Home / 2,158,779.70-3,238,169.55-662,946.10

Finding the Fourth Proportional to 2,158,779.70, 3,238,169.55 and 662,946.10

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Solution

The fourth proportional to 2,158,779.70, 3,238,169.55 and 662,946.10 is: 994,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,779.70 : 3,238,169.55 = 662,946.10 : x
  2. Step 2: Convert to fraction form
    2,158,779.70/3,238,169.55 = 662,946.10/x
  3. Step 3: Cross multiply
    2,158,779.70x = 3,238,169.55 × 662,946.10
  4. Step 4: Simplify right side
    2,158,779.70x = 2,146,731,874,311.26
  5. Step 5: Solve for x
    x = 2,146,731,874,311.26/2,158,779.70
  6. Step 6: Final answer
    x = 994,419.15

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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.