Home / 626,746.60-940,271.10-206,000.20

Finding the Fourth Proportional to 626,746.60, 940,271.10 and 206,000.20

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Solution

The fourth proportional to 626,746.60, 940,271.10 and 206,000.20 is: 309,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,746.60 : 940,271.10 = 206,000.20 : x
  2. Step 2: Convert to fraction form
    626,746.60/940,271.10 = 206,000.20/x
  3. Step 3: Cross multiply
    626,746.60x = 940,271.10 × 206,000.20
  4. Step 4: Simplify right side
    626,746.60x = 193,696,034,654.22
  5. Step 5: Solve for x
    x = 193,696,034,654.22/626,746.60
  6. Step 6: Final answer
    x = 309,050.00

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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.