Home / 860,084.54-1,186,891.41-472,900.45

Finding the Fourth Proportional to 860,084.54, 1,186,891.41 and 472,900.45

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Solution

The fourth proportional to 860,084.54, 1,186,891.41 and 472,900.45 is: 652,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,084.54 : 1,186,891.41 = 472,900.45 : x
  2. Step 2: Convert to fraction form
    860,084.54/1,186,891.41 = 472,900.45/x
  3. Step 3: Cross multiply
    860,084.54x = 1,186,891.41 × 472,900.45
  4. Step 4: Simplify right side
    860,084.54x = 561,281,481,890.14
  5. Step 5: Solve for x
    x = 561,281,481,890.14/860,084.54
  6. Step 6: Final answer
    x = 652,588.73

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Double scale
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1.5x scale

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.