Home / 1,126,560-1,554,652.80-617,280.60

Finding the Fourth Proportional to 1,126,560, 1,554,652.80 and 617,280.60

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Solution

The fourth proportional to 1,126,560, 1,554,652.80 and 617,280.60 is: 851,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,560 : 1,554,652.80 = 617,280.60 : x
  2. Step 2: Convert to fraction form
    1,126,560/1,554,652.80 = 617,280.60/x
  3. Step 3: Cross multiply
    1,126,560x = 1,554,652.80 × 617,280.60
  4. Step 4: Simplify right side
    1,126,560x = 959,657,013,175.68
  5. Step 5: Solve for x
    x = 959,657,013,175.68/1,126,560
  6. Step 6: Final answer
    x = 851,847.23

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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.