Home / 1,058,710.16-1,587,172.34-459,219.96

Finding the Fourth Proportional to 1,058,710.16, 1,587,172.34 and 459,219.96

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Solution

The fourth proportional to 1,058,710.16, 1,587,172.34 and 459,219.96 is: 688,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,710.16 : 1,587,172.34 = 459,219.96 : x
  2. Step 2: Convert to fraction form
    1,058,710.16/1,587,172.34 = 459,219.96/x
  3. Step 3: Cross multiply
    1,058,710.16x = 1,587,172.34 × 459,219.96
  4. Step 4: Simplify right side
    1,058,710.16x = 728,861,219,635.96
  5. Step 5: Solve for x
    x = 728,861,219,635.96/1,058,710.16
  6. Step 6: Final answer
    x = 688,442.64

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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.