Home / 623,577.72-860,771.27-408,731.63

Finding the Fourth Proportional to 623,577.72, 860,771.27 and 408,731.63

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Solution

The fourth proportional to 623,577.72, 860,771.27 and 408,731.63 is: 564,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,577.72 : 860,771.27 = 408,731.63 : x
  2. Step 2: Convert to fraction form
    623,577.72/860,771.27 = 408,731.63/x
  3. Step 3: Cross multiply
    623,577.72x = 860,771.27 × 408,731.63
  4. Step 4: Simplify right side
    623,577.72x = 351,824,437,896.76
  5. Step 5: Solve for x
    x = 351,824,437,896.76/623,577.72
  6. Step 6: Final answer
    x = 564,203.03

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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.