Home / 1,126,570.08-1,690,243.92-705,344.16

Finding the Fourth Proportional to 1,126,570.08, 1,690,243.92 and 705,344.16

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Solution

The fourth proportional to 1,126,570.08, 1,690,243.92 and 705,344.16 is: 1,058,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,570.08 : 1,690,243.92 = 705,344.16 : x
  2. Step 2: Convert to fraction form
    1,126,570.08/1,690,243.92 = 705,344.16/x
  3. Step 3: Cross multiply
    1,126,570.08x = 1,690,243.92 × 705,344.16
  4. Step 4: Simplify right side
    1,126,570.08x = 1,192,203,677,947.51
  5. Step 5: Solve for x
    x = 1,192,203,677,947.51/1,126,570.08
  6. Step 6: Final answer
    x = 1,058,259.67

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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.