Home / 1,111,854.20-1,667,813.70-401,756.36

Finding the Fourth Proportional to 1,111,854.20, 1,667,813.70 and 401,756.36

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Solution

The fourth proportional to 1,111,854.20, 1,667,813.70 and 401,756.36 is: 602,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,854.20 : 1,667,813.70 = 401,756.36 : x
  2. Step 2: Convert to fraction form
    1,111,854.20/1,667,813.70 = 401,756.36/x
  3. Step 3: Cross multiply
    1,111,854.20x = 1,667,813.70 × 401,756.36
  4. Step 4: Simplify right side
    1,111,854.20x = 670,054,761,270.13
  5. Step 5: Solve for x
    x = 670,054,761,270.13/1,111,854.20
  6. Step 6: Final answer
    x = 602,646.25

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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.