Home / 1,153,873.92-1,592,240.64-644,505.60

Finding the Fourth Proportional to 1,153,873.92, 1,592,240.64 and 644,505.60

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Solution

The fourth proportional to 1,153,873.92, 1,592,240.64 and 644,505.60 is: 889,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,873.92 : 1,592,240.64 = 644,505.60 : x
  2. Step 2: Convert to fraction form
    1,153,873.92/1,592,240.64 = 644,505.60/x
  3. Step 3: Cross multiply
    1,153,873.92x = 1,592,240.64 × 644,505.60
  4. Step 4: Simplify right side
    1,153,873.92x = 1,026,208,009,027.58
  5. Step 5: Solve for x
    x = 1,026,208,009,027.58/1,153,873.92
  6. Step 6: Final answer
    x = 889,358.87

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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.