Home / 669,015-923,225.40-363,091.95

Finding the Fourth Proportional to 669,015, 923,225.40 and 363,091.95

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Solution

The fourth proportional to 669,015, 923,225.40 and 363,091.95 is: 501,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,015 : 923,225.40 = 363,091.95 : x
  2. Step 2: Convert to fraction form
    669,015/923,225.40 = 363,091.95/x
  3. Step 3: Cross multiply
    669,015x = 923,225.40 × 363,091.95
  4. Step 4: Simplify right side
    669,015x = 335,215,710,775.53
  5. Step 5: Solve for x
    x = 335,215,710,775.53/669,015
  6. Step 6: Final answer
    x = 501,058.59

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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.