Home / 1,114,656.30-1,538,357.01-661,947.30

Finding the Fourth Proportional to 1,114,656.30, 1,538,357.01 and 661,947.30

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Solution

The fourth proportional to 1,114,656.30, 1,538,357.01 and 661,947.30 is: 913,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,656.30 : 1,538,357.01 = 661,947.30 : x
  2. Step 2: Convert to fraction form
    1,114,656.30/1,538,357.01 = 661,947.30/x
  3. Step 3: Cross multiply
    1,114,656.30x = 1,538,357.01 × 661,947.30
  4. Step 4: Simplify right side
    1,114,656.30x = 1,018,311,269,205.57
  5. Step 5: Solve for x
    x = 1,018,311,269,205.57/1,114,656.30
  6. Step 6: Final answer
    x = 913,565.26

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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.