Home / 705,710.56-1,058,583.12-207,090.40

Finding the Fourth Proportional to 705,710.56, 1,058,583.12 and 207,090.40

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Solution

The fourth proportional to 705,710.56, 1,058,583.12 and 207,090.40 is: 310,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,710.56 : 1,058,583.12 = 207,090.40 : x
  2. Step 2: Convert to fraction form
    705,710.56/1,058,583.12 = 207,090.40/x
  3. Step 3: Cross multiply
    705,710.56x = 1,058,583.12 × 207,090.40
  4. Step 4: Simplify right side
    705,710.56x = 219,222,401,754.05
  5. Step 5: Solve for x
    x = 219,222,401,754.05/705,710.56
  6. Step 6: Final answer
    x = 310,640.67

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1.5x scale

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.