Home / 816,873.88-1,127,119.44-477,276.52

Finding the Fourth Proportional to 816,873.88, 1,127,119.44 and 477,276.52

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Solution

The fourth proportional to 816,873.88, 1,127,119.44 and 477,276.52 is: 658,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,873.88 : 1,127,119.44 = 477,276.52 : x
  2. Step 2: Convert to fraction form
    816,873.88/1,127,119.44 = 477,276.52/x
  3. Step 3: Cross multiply
    816,873.88x = 1,127,119.44 × 477,276.52
  4. Step 4: Simplify right side
    816,873.88x = 537,947,643,947.55
  5. Step 5: Solve for x
    x = 537,947,643,947.55/816,873.88
  6. Step 6: Final answer
    x = 658,544.31

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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.