Home / 922,921.20-1,273,629.12-514,998

Finding the Fourth Proportional to 922,921.20, 1,273,629.12 and 514,998

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Solution

The fourth proportional to 922,921.20, 1,273,629.12 and 514,998 is: 710,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,921.20 : 1,273,629.12 = 514,998 : x
  2. Step 2: Convert to fraction form
    922,921.20/1,273,629.12 = 514,998/x
  3. Step 3: Cross multiply
    922,921.20x = 1,273,629.12 × 514,998
  4. Step 4: Simplify right side
    922,921.20x = 655,916,449,541.76
  5. Step 5: Solve for x
    x = 655,916,449,541.76/922,921.20
  6. Step 6: Final answer
    x = 710,696.05

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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.