Home / 825,491.64-1,138,695.80-519,082.96

Finding the Fourth Proportional to 825,491.64, 1,138,695.80 and 519,082.96

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Solution

The fourth proportional to 825,491.64, 1,138,695.80 and 519,082.96 is: 716,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,491.64 : 1,138,695.80 = 519,082.96 : x
  2. Step 2: Convert to fraction form
    825,491.64/1,138,695.80 = 519,082.96/x
  3. Step 3: Cross multiply
    825,491.64x = 1,138,695.80 × 519,082.96
  4. Step 4: Simplify right side
    825,491.64x = 591,077,586,403.57
  5. Step 5: Solve for x
    x = 591,077,586,403.57/825,491.64
  6. Step 6: Final answer
    x = 716,030.98

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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.