Home / 669,412.50-923,795.73-367,612.98

Finding the Fourth Proportional to 669,412.50, 923,795.73 and 367,612.98

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Solution

The fourth proportional to 669,412.50, 923,795.73 and 367,612.98 is: 507,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,412.50 : 923,795.73 = 367,612.98 : x
  2. Step 2: Convert to fraction form
    669,412.50/923,795.73 = 367,612.98/x
  3. Step 3: Cross multiply
    669,412.50x = 923,795.73 × 367,612.98
  4. Step 4: Simplify right side
    669,412.50x = 339,599,301,216.58
  5. Step 5: Solve for x
    x = 339,599,301,216.58/669,412.50
  6. Step 6: Final answer
    x = 507,309.47

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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.