Home / 626,539.35-864,625.11-340,059.45

Finding the Fourth Proportional to 626,539.35, 864,625.11 and 340,059.45

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Solution

The fourth proportional to 626,539.35, 864,625.11 and 340,059.45 is: 469,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,539.35 : 864,625.11 = 340,059.45 : x
  2. Step 2: Convert to fraction form
    626,539.35/864,625.11 = 340,059.45/x
  3. Step 3: Cross multiply
    626,539.35x = 864,625.11 × 340,059.45
  4. Step 4: Simplify right side
    626,539.35x = 294,023,939,362.79
  5. Step 5: Solve for x
    x = 294,023,939,362.79/626,539.35
  6. Step 6: Final answer
    x = 469,282.48

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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.