Home / 860,111.75-1,186,984.67-472,956.63

Finding the Fourth Proportional to 860,111.75, 1,186,984.67 and 472,956.63

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Solution

The fourth proportional to 860,111.75, 1,186,984.67 and 472,956.63 is: 652,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,111.75 : 1,186,984.67 = 472,956.63 : x
  2. Step 2: Convert to fraction form
    860,111.75/1,186,984.67 = 472,956.63/x
  3. Step 3: Cross multiply
    860,111.75x = 1,186,984.67 × 472,956.63
  4. Step 4: Simplify right side
    860,111.75x = 561,392,269,384.86
  5. Step 5: Solve for x
    x = 561,392,269,384.86/860,111.75
  6. Step 6: Final answer
    x = 652,696.90

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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.