Home / 1,043,144.70-1,564,717.05-511,007.10

Finding the Fourth Proportional to 1,043,144.70, 1,564,717.05 and 511,007.10

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Solution

The fourth proportional to 1,043,144.70, 1,564,717.05 and 511,007.10 is: 766,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,144.70 : 1,564,717.05 = 511,007.10 : x
  2. Step 2: Convert to fraction form
    1,043,144.70/1,564,717.05 = 511,007.10/x
  3. Step 3: Cross multiply
    1,043,144.70x = 1,564,717.05 × 511,007.10
  4. Step 4: Simplify right side
    1,043,144.70x = 799,581,522,041.06
  5. Step 5: Solve for x
    x = 799,581,522,041.06/1,043,144.70
  6. Step 6: Final answer
    x = 766,510.65

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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.