Home / 1,152,224.49-1,590,667.65-841,778.91

Finding the Fourth Proportional to 1,152,224.49, 1,590,667.65 and 841,778.91

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Solution

The fourth proportional to 1,152,224.49, 1,590,667.65 and 841,778.91 is: 1,162,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,224.49 : 1,590,667.65 = 841,778.91 : x
  2. Step 2: Convert to fraction form
    1,152,224.49/1,590,667.65 = 841,778.91/x
  3. Step 3: Cross multiply
    1,152,224.49x = 1,590,667.65 × 841,778.91
  4. Step 4: Simplify right side
    1,152,224.49x = 1,338,990,480,589.26
  5. Step 5: Solve for x
    x = 1,338,990,480,589.26/1,152,224.49
  6. Step 6: Final answer
    x = 1,162,091.67

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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.