Home / 919,981.52-1,269,572.28-517,573.52

Finding the Fourth Proportional to 919,981.52, 1,269,572.28 and 517,573.52

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Solution

The fourth proportional to 919,981.52, 1,269,572.28 and 517,573.52 is: 714,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,981.52 : 1,269,572.28 = 517,573.52 : x
  2. Step 2: Convert to fraction form
    919,981.52/1,269,572.28 = 517,573.52/x
  3. Step 3: Cross multiply
    919,981.52x = 1,269,572.28 × 517,573.52
  4. Step 4: Simplify right side
    919,981.52x = 657,096,993,854.03
  5. Step 5: Solve for x
    x = 657,096,993,854.03/919,981.52
  6. Step 6: Final answer
    x = 714,250.21

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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.