Home / 736,886.70-1,102,705.65-511,188.30

Finding the Fourth Proportional to 736,886.70, 1,102,705.65 and 511,188.30

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Solution

The fourth proportional to 736,886.70, 1,102,705.65 and 511,188.30 is: 764,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,886.70 : 1,102,705.65 = 511,188.30 : x
  2. Step 2: Convert to fraction form
    736,886.70/1,102,705.65 = 511,188.30/x
  3. Step 3: Cross multiply
    736,886.70x = 1,102,705.65 × 511,188.30
  4. Step 4: Simplify right side
    736,886.70x = 563,690,226,623.90
  5. Step 5: Solve for x
    x = 563,690,226,623.90/736,886.70
  6. Step 6: Final answer
    x = 764,961.87

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Double scale
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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.