Home / 1,273,490.92-1,909,579.02-374,816.20

Finding the Fourth Proportional to 1,273,490.92, 1,909,579.02 and 374,816.20

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Solution

The fourth proportional to 1,273,490.92, 1,909,579.02 and 374,816.20 is: 562,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,490.92 : 1,909,579.02 = 374,816.20 : x
  2. Step 2: Convert to fraction form
    1,273,490.92/1,909,579.02 = 374,816.20/x
  3. Step 3: Cross multiply
    1,273,490.92x = 1,909,579.02 × 374,816.20
  4. Step 4: Simplify right side
    1,273,490.92x = 715,741,151,876.12
  5. Step 5: Solve for x
    x = 715,741,151,876.12/1,273,490.92
  6. Step 6: Final answer
    x = 562,030.82

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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.