Home / 821,047.46-1,133,022.76-453,518.01

Finding the Fourth Proportional to 821,047.46, 1,133,022.76 and 453,518.01

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Solution

The fourth proportional to 821,047.46, 1,133,022.76 and 453,518.01 is: 625,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,047.46 : 1,133,022.76 = 453,518.01 : x
  2. Step 2: Convert to fraction form
    821,047.46/1,133,022.76 = 453,518.01/x
  3. Step 3: Cross multiply
    821,047.46x = 1,133,022.76 × 453,518.01
  4. Step 4: Simplify right side
    821,047.46x = 513,846,219,467.20
  5. Step 5: Solve for x
    x = 513,846,219,467.20/821,047.46
  6. Step 6: Final answer
    x = 625,842.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.