Home / 1,095,203.36-1,511,336.40-611,760.80

Finding the Fourth Proportional to 1,095,203.36, 1,511,336.40 and 611,760.80

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Solution

The fourth proportional to 1,095,203.36, 1,511,336.40 and 611,760.80 is: 844,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,203.36 : 1,511,336.40 = 611,760.80 : x
  2. Step 2: Convert to fraction form
    1,095,203.36/1,511,336.40 = 611,760.80/x
  3. Step 3: Cross multiply
    1,095,203.36x = 1,511,336.40 × 611,760.80
  4. Step 4: Simplify right side
    1,095,203.36x = 924,576,365,133.12
  5. Step 5: Solve for x
    x = 924,576,365,133.12/1,095,203.36
  6. Step 6: Final answer
    x = 844,205.19

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Double scale
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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.