Home / 821,591.18-1,133,601.52-477,222.49

Finding the Fourth Proportional to 821,591.18, 1,133,601.52 and 477,222.49

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Solution

The fourth proportional to 821,591.18, 1,133,601.52 and 477,222.49 is: 658,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,591.18 : 1,133,601.52 = 477,222.49 : x
  2. Step 2: Convert to fraction form
    821,591.18/1,133,601.52 = 477,222.49/x
  3. Step 3: Cross multiply
    821,591.18x = 1,133,601.52 × 477,222.49
  4. Step 4: Simplify right side
    821,591.18x = 540,980,134,113.34
  5. Step 5: Solve for x
    x = 540,980,134,113.34/821,591.18
  6. Step 6: Final answer
    x = 658,454.17

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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.