Home / 1,111,928.96-1,667,637.48-662,776.40

Finding the Fourth Proportional to 1,111,928.96, 1,667,637.48 and 662,776.40

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Solution

The fourth proportional to 1,111,928.96, 1,667,637.48 and 662,776.40 is: 994,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,928.96 : 1,667,637.48 = 662,776.40 : x
  2. Step 2: Convert to fraction form
    1,111,928.96/1,667,637.48 = 662,776.40/x
  3. Step 3: Cross multiply
    1,111,928.96x = 1,667,637.48 × 662,776.40
  4. Step 4: Simplify right side
    1,111,928.96x = 1,105,270,765,499.47
  5. Step 5: Solve for x
    x = 1,105,270,765,499.47/1,111,928.96
  6. Step 6: Final answer
    x = 994,012.03

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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.