Home / 623,500.46-860,440.20-365,315.61

Finding the Fourth Proportional to 623,500.46, 860,440.20 and 365,315.61

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Solution

The fourth proportional to 623,500.46, 860,440.20 and 365,315.61 is: 504,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,500.46 : 860,440.20 = 365,315.61 : x
  2. Step 2: Convert to fraction form
    623,500.46/860,440.20 = 365,315.61/x
  3. Step 3: Cross multiply
    623,500.46x = 860,440.20 × 365,315.61
  4. Step 4: Simplify right side
    623,500.46x = 314,332,241,128.11
  5. Step 5: Solve for x
    x = 314,332,241,128.11/623,500.46
  6. Step 6: Final answer
    x = 504,141.15

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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.