Home / 1,117,667.08-1,542,337.62-634,203.34

Finding the Fourth Proportional to 1,117,667.08, 1,542,337.62 and 634,203.34

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Solution

The fourth proportional to 1,117,667.08, 1,542,337.62 and 634,203.34 is: 875,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,667.08 : 1,542,337.62 = 634,203.34 : x
  2. Step 2: Convert to fraction form
    1,117,667.08/1,542,337.62 = 634,203.34/x
  3. Step 3: Cross multiply
    1,117,667.08x = 1,542,337.62 × 634,203.34
  4. Step 4: Simplify right side
    1,117,667.08x = 978,155,670,011.65
  5. Step 5: Solve for x
    x = 978,155,670,011.65/1,117,667.08
  6. Step 6: Final answer
    x = 875,176.24

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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.