Home / 860,035.16-1,186,861.68-472,867.35

Finding the Fourth Proportional to 860,035.16, 1,186,861.68 and 472,867.35

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Solution

The fourth proportional to 860,035.16, 1,186,861.68 and 472,867.35 is: 652,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,035.16 : 1,186,861.68 = 472,867.35 : x
  2. Step 2: Convert to fraction form
    860,035.16/1,186,861.68 = 472,867.35/x
  3. Step 3: Cross multiply
    860,035.16x = 1,186,861.68 × 472,867.35
  4. Step 4: Simplify right side
    860,035.16x = 561,228,137,438.15
  5. Step 5: Solve for x
    x = 561,228,137,438.15/860,035.16
  6. Step 6: Final answer
    x = 652,564.18

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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.