Home / 1,036,954.79-1,555,424.90-289,000.79

Finding the Fourth Proportional to 1,036,954.79, 1,555,424.90 and 289,000.79

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Solution

The fourth proportional to 1,036,954.79, 1,555,424.90 and 289,000.79 is: 433,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,954.79 : 1,555,424.90 = 289,000.79 : x
  2. Step 2: Convert to fraction form
    1,036,954.79/1,555,424.90 = 289,000.79/x
  3. Step 3: Cross multiply
    1,036,954.79x = 1,555,424.90 × 289,000.79
  4. Step 4: Simplify right side
    1,036,954.79x = 449,519,023,440.67
  5. Step 5: Solve for x
    x = 449,519,023,440.67/1,036,954.79
  6. Step 6: Final answer
    x = 433,499.15

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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.