Home / 835,361.70-1,152,792.18-453,388.38

Finding the Fourth Proportional to 835,361.70, 1,152,792.18 and 453,388.38

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Solution

The fourth proportional to 835,361.70, 1,152,792.18 and 453,388.38 is: 625,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,361.70 : 1,152,792.18 = 453,388.38 : x
  2. Step 2: Convert to fraction form
    835,361.70/1,152,792.18 = 453,388.38/x
  3. Step 3: Cross multiply
    835,361.70x = 1,152,792.18 × 453,388.38
  4. Step 4: Simplify right side
    835,361.70x = 522,662,578,966.87
  5. Step 5: Solve for x
    x = 522,662,578,966.87/835,361.70
  6. Step 6: Final answer
    x = 625,672.18

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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.