Home / 623,576.22-860,769.20-408,730.13

Finding the Fourth Proportional to 623,576.22, 860,769.20 and 408,730.13

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Solution

The fourth proportional to 623,576.22, 860,769.20 and 408,730.13 is: 564,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,576.22 : 860,769.20 = 408,730.13 : x
  2. Step 2: Convert to fraction form
    623,576.22/860,769.20 = 408,730.13/x
  3. Step 3: Cross multiply
    623,576.22x = 860,769.20 × 408,730.13
  4. Step 4: Simplify right side
    623,576.22x = 351,822,300,668.50
  5. Step 5: Solve for x
    x = 351,822,300,668.50/623,576.22
  6. Step 6: Final answer
    x = 564,200.96

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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.