Home / 827,106.40-1,240,659.60-561,685.60

Finding the Fourth Proportional to 827,106.40, 1,240,659.60 and 561,685.60

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Solution

The fourth proportional to 827,106.40, 1,240,659.60 and 561,685.60 is: 842,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,106.40 : 1,240,659.60 = 561,685.60 : x
  2. Step 2: Convert to fraction form
    827,106.40/1,240,659.60 = 561,685.60/x
  3. Step 3: Cross multiply
    827,106.40x = 1,240,659.60 × 561,685.60
  4. Step 4: Simplify right side
    827,106.40x = 696,860,631,821.76
  5. Step 5: Solve for x
    x = 696,860,631,821.76/827,106.40
  6. Step 6: Final answer
    x = 842,528.40

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Similar ratio
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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.