Home / 939,293.84-1,296,226.02-509,573.92

Finding the Fourth Proportional to 939,293.84, 1,296,226.02 and 509,573.92

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Solution

The fourth proportional to 939,293.84, 1,296,226.02 and 509,573.92 is: 703,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,293.84 : 1,296,226.02 = 509,573.92 : x
  2. Step 2: Convert to fraction form
    939,293.84/1,296,226.02 = 509,573.92/x
  3. Step 3: Cross multiply
    939,293.84x = 1,296,226.02 × 509,573.92
  4. Step 4: Simplify right side
    939,293.84x = 660,522,974,217.40
  5. Step 5: Solve for x
    x = 660,522,974,217.40/939,293.84
  6. Step 6: Final answer
    x = 703,212.29

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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.