Home / 983,596.22-1,475,102.72-422,499.50

Finding the Fourth Proportional to 983,596.22, 1,475,102.72 and 422,499.50

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Solution

The fourth proportional to 983,596.22, 1,475,102.72 and 422,499.50 is: 633,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,596.22 : 1,475,102.72 = 422,499.50 : x
  2. Step 2: Convert to fraction form
    983,596.22/1,475,102.72 = 422,499.50/x
  3. Step 3: Cross multiply
    983,596.22x = 1,475,102.72 × 422,499.50
  4. Step 4: Simplify right side
    983,596.22x = 623,230,161,648.64
  5. Step 5: Solve for x
    x = 623,230,161,648.64/983,596.22
  6. Step 6: Final answer
    x = 633,623.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.