Home / 810,037.23-1,117,829.71-447,453.28

Finding the Fourth Proportional to 810,037.23, 1,117,829.71 and 447,453.28

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Solution

The fourth proportional to 810,037.23, 1,117,829.71 and 447,453.28 is: 617,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,037.23 : 1,117,829.71 = 447,453.28 : x
  2. Step 2: Convert to fraction form
    810,037.23/1,117,829.71 = 447,453.28/x
  3. Step 3: Cross multiply
    810,037.23x = 1,117,829.71 × 447,453.28
  4. Step 4: Simplify right side
    810,037.23x = 500,176,570,220.95
  5. Step 5: Solve for x
    x = 500,176,570,220.95/810,037.23
  6. Step 6: Final answer
    x = 617,473.56

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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.