Home / 815,276.16-1,125,043.47-452,723.04

Finding the Fourth Proportional to 815,276.16, 1,125,043.47 and 452,723.04

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Solution

The fourth proportional to 815,276.16, 1,125,043.47 and 452,723.04 is: 624,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,276.16 : 1,125,043.47 = 452,723.04 : x
  2. Step 2: Convert to fraction form
    815,276.16/1,125,043.47 = 452,723.04/x
  3. Step 3: Cross multiply
    815,276.16x = 1,125,043.47 × 452,723.04
  4. Step 4: Simplify right side
    815,276.16x = 509,333,099,870.55
  5. Step 5: Solve for x
    x = 509,333,099,870.55/815,276.16
  6. Step 6: Final answer
    x = 624,736.90

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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.