Home / 779,972.63-1,169,211.50-330,074.46

Finding the Fourth Proportional to 779,972.63, 1,169,211.50 and 330,074.46

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Solution

The fourth proportional to 779,972.63, 1,169,211.50 and 330,074.46 is: 494,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,972.63 : 1,169,211.50 = 330,074.46 : x
  2. Step 2: Convert to fraction form
    779,972.63/1,169,211.50 = 330,074.46/x
  3. Step 3: Cross multiply
    779,972.63x = 1,169,211.50 × 330,074.46
  4. Step 4: Simplify right side
    779,972.63x = 385,926,852,837.92
  5. Step 5: Solve for x
    x = 385,926,852,837.92/779,972.63
  6. Step 6: Final answer
    x = 494,795.38

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Double scale
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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.