Home / 1,047,803.75-1,571,740.47-819,889.19

Finding the Fourth Proportional to 1,047,803.75, 1,571,740.47 and 819,889.19

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Solution

The fourth proportional to 1,047,803.75, 1,571,740.47 and 819,889.19 is: 1,229,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,803.75 : 1,571,740.47 = 819,889.19 : x
  2. Step 2: Convert to fraction form
    1,047,803.75/1,571,740.47 = 819,889.19/x
  3. Step 3: Cross multiply
    1,047,803.75x = 1,571,740.47 × 819,889.19
  4. Step 4: Simplify right side
    1,047,803.75x = 1,288,653,018,873.84
  5. Step 5: Solve for x
    x = 1,288,653,018,873.84/1,047,803.75
  6. Step 6: Final answer
    x = 1,229,861.05

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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.