Home / 1,357,908.64-2,037,208.95-638,110.56

Finding the Fourth Proportional to 1,357,908.64, 2,037,208.95 and 638,110.56

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Solution

The fourth proportional to 1,357,908.64, 2,037,208.95 and 638,110.56 is: 957,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,908.64 : 2,037,208.95 = 638,110.56 : x
  2. Step 2: Convert to fraction form
    1,357,908.64/2,037,208.95 = 638,110.56/x
  3. Step 3: Cross multiply
    1,357,908.64x = 2,037,208.95 × 638,110.56
  4. Step 4: Simplify right side
    1,357,908.64x = 1,299,964,541,896.43
  5. Step 5: Solve for x
    x = 1,299,964,541,896.43/1,357,908.64
  6. Step 6: Final answer
    x = 957,328.43

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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.