Home / 1,058,706.39-1,587,166.68-459,216

Finding the Fourth Proportional to 1,058,706.39, 1,587,166.68 and 459,216

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Solution

The fourth proportional to 1,058,706.39, 1,587,166.68 and 459,216 is: 688,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,706.39 : 1,587,166.68 = 459,216 : x
  2. Step 2: Convert to fraction form
    1,058,706.39/1,587,166.68 = 459,216/x
  3. Step 3: Cross multiply
    1,058,706.39x = 1,587,166.68 × 459,216
  4. Step 4: Simplify right side
    1,058,706.39x = 728,852,334,122.88
  5. Step 5: Solve for x
    x = 728,852,334,122.88/1,058,706.39
  6. Step 6: Final answer
    x = 688,436.70

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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.