Home / 872,274.92-1,203,562.86-509,628.66

Finding the Fourth Proportional to 872,274.92, 1,203,562.86 and 509,628.66

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Solution

The fourth proportional to 872,274.92, 1,203,562.86 and 509,628.66 is: 703,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,274.92 : 1,203,562.86 = 509,628.66 : x
  2. Step 2: Convert to fraction form
    872,274.92/1,203,562.86 = 509,628.66/x
  3. Step 3: Cross multiply
    872,274.92x = 1,203,562.86 × 509,628.66
  4. Step 4: Simplify right side
    872,274.92x = 613,370,127,567.57
  5. Step 5: Solve for x
    x = 613,370,127,567.57/872,274.92
  6. Step 6: Final answer
    x = 703,184.41

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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.