Home / 1,501,368.80-2,072,037.92-856,886.64

Finding the Fourth Proportional to 1,501,368.80, 2,072,037.92 and 856,886.64

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Solution

The fourth proportional to 1,501,368.80, 2,072,037.92 and 856,886.64 is: 1,182,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,368.80 : 2,072,037.92 = 856,886.64 : x
  2. Step 2: Convert to fraction form
    1,501,368.80/2,072,037.92 = 856,886.64/x
  3. Step 3: Cross multiply
    1,501,368.80x = 2,072,037.92 × 856,886.64
  4. Step 4: Simplify right side
    1,501,368.80x = 1,775,501,611,221.39
  5. Step 5: Solve for x
    x = 1,775,501,611,221.39/1,501,368.80
  6. Step 6: Final answer
    x = 1,182,588.59

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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.