Home / 651,929.84-976,378.44-633,991.76

Finding the Fourth Proportional to 651,929.84, 976,378.44 and 633,991.76

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Solution

The fourth proportional to 651,929.84, 976,378.44 and 633,991.76 is: 949,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,929.84 : 976,378.44 = 633,991.76 : x
  2. Step 2: Convert to fraction form
    651,929.84/976,378.44 = 633,991.76/x
  3. Step 3: Cross multiply
    651,929.84x = 976,378.44 × 633,991.76
  4. Step 4: Simplify right side
    651,929.84x = 619,015,885,601.65
  5. Step 5: Solve for x
    x = 619,015,885,601.65/651,929.84
  6. Step 6: Final answer
    x = 949,513.04

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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.