Home / 623,786.00-860,823.65-351,853.04

Finding the Fourth Proportional to 623,786.00, 860,823.65 and 351,853.04

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Solution

The fourth proportional to 623,786.00, 860,823.65 and 351,853.04 is: 485,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,786.00 : 860,823.65 = 351,853.04 : x
  2. Step 2: Convert to fraction form
    623,786.00/860,823.65 = 351,853.04/x
  3. Step 3: Cross multiply
    623,786.00x = 860,823.65 × 351,853.04
  4. Step 4: Simplify right side
    623,786.00x = 302,883,421,188.09
  5. Step 5: Solve for x
    x = 302,883,421,188.09/623,786.00
  6. Step 6: Final answer
    x = 485,556.62

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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.