Home / 872,232.12-1,203,503.89-509,585.91

Finding the Fourth Proportional to 872,232.12, 1,203,503.89 and 509,585.91

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Solution

The fourth proportional to 872,232.12, 1,203,503.89 and 509,585.91 is: 703,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,232.12 : 1,203,503.89 = 509,585.91 : x
  2. Step 2: Convert to fraction form
    872,232.12/1,203,503.89 = 509,585.91/x
  3. Step 3: Cross multiply
    872,232.12x = 1,203,503.89 × 509,585.91
  4. Step 4: Simplify right side
    872,232.12x = 613,288,624,974.19
  5. Step 5: Solve for x
    x = 613,288,624,974.19/872,232.12
  6. Step 6: Final answer
    x = 703,125.48

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Double scale
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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.