Home / 859,361.72-1,185,878.94-477,411.80

Finding the Fourth Proportional to 859,361.72, 1,185,878.94 and 477,411.80

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Solution

The fourth proportional to 859,361.72, 1,185,878.94 and 477,411.80 is: 658,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,361.72 : 1,185,878.94 = 477,411.80 : x
  2. Step 2: Convert to fraction form
    859,361.72/1,185,878.94 = 477,411.80/x
  3. Step 3: Cross multiply
    859,361.72x = 1,185,878.94 × 477,411.80
  4. Step 4: Simplify right side
    859,361.72x = 566,152,599,327.49
  5. Step 5: Solve for x
    x = 566,152,599,327.49/859,361.72
  6. Step 6: Final answer
    x = 658,805.93

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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.