Home / 1,015,231.86-1,400,945.76-556,273.58

Finding the Fourth Proportional to 1,015,231.86, 1,400,945.76 and 556,273.58

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Solution

The fourth proportional to 1,015,231.86, 1,400,945.76 and 556,273.58 is: 767,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,231.86 : 1,400,945.76 = 556,273.58 : x
  2. Step 2: Convert to fraction form
    1,015,231.86/1,400,945.76 = 556,273.58/x
  3. Step 3: Cross multiply
    1,015,231.86x = 1,400,945.76 × 556,273.58
  4. Step 4: Simplify right side
    1,015,231.86x = 779,309,106,296.29
  5. Step 5: Solve for x
    x = 779,309,106,296.29/1,015,231.86
  6. Step 6: Final answer
    x = 767,616.87

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1.5x scale

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.