Home / 872,253.45-1,203,533.28-509,607.27

Finding the Fourth Proportional to 872,253.45, 1,203,533.28 and 509,607.27

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Solution

The fourth proportional to 872,253.45, 1,203,533.28 and 509,607.27 is: 703,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,253.45 : 1,203,533.28 = 509,607.27 : x
  2. Step 2: Convert to fraction form
    872,253.45/1,203,533.28 = 509,607.27/x
  3. Step 3: Cross multiply
    872,253.45x = 1,203,533.28 × 509,607.27
  4. Step 4: Simplify right side
    872,253.45x = 613,329,309,174.95
  5. Step 5: Solve for x
    x = 613,329,309,174.95/872,253.45
  6. Step 6: Final answer
    x = 703,154.92

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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.