Home / 806,037.84-1,112,332.16-443,453.91

Finding the Fourth Proportional to 806,037.84, 1,112,332.16 and 443,453.91

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Solution

The fourth proportional to 806,037.84, 1,112,332.16 and 443,453.91 is: 611,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,037.84 : 1,112,332.16 = 443,453.91 : x
  2. Step 2: Convert to fraction form
    806,037.84/1,112,332.16 = 443,453.91/x
  3. Step 3: Cross multiply
    806,037.84x = 1,112,332.16 × 443,453.91
  4. Step 4: Simplify right side
    806,037.84x = 493,268,045,570.75
  5. Step 5: Solve for x
    x = 493,268,045,570.75/806,037.84
  6. Step 6: Final answer
    x = 611,966.36

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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.