Home / 1,289,717.52-1,931,625.70-616,272.20

Finding the Fourth Proportional to 1,289,717.52, 1,931,625.70 and 616,272.20

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Solution

The fourth proportional to 1,289,717.52, 1,931,625.70 and 616,272.20 is: 922,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,717.52 : 1,931,625.70 = 616,272.20 : x
  2. Step 2: Convert to fraction form
    1,289,717.52/1,931,625.70 = 616,272.20/x
  3. Step 3: Cross multiply
    1,289,717.52x = 1,931,625.70 × 616,272.20
  4. Step 4: Simplify right side
    1,289,717.52x = 1,190,407,219,715.54
  5. Step 5: Solve for x
    x = 1,190,407,219,715.54/1,289,717.52
  6. Step 6: Final answer
    x = 922,998.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.