Home / 1,120,957.80-1,546,959.10-611,688.12

Finding the Fourth Proportional to 1,120,957.80, 1,546,959.10 and 611,688.12

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Solution

The fourth proportional to 1,120,957.80, 1,546,959.10 and 611,688.12 is: 844,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,957.80 : 1,546,959.10 = 611,688.12 : x
  2. Step 2: Convert to fraction form
    1,120,957.80/1,546,959.10 = 611,688.12/x
  3. Step 3: Cross multiply
    1,120,957.80x = 1,546,959.10 × 611,688.12
  4. Step 4: Simplify right side
    1,120,957.80x = 946,256,503,595.89
  5. Step 5: Solve for x
    x = 946,256,503,595.89/1,120,957.80
  6. Step 6: Final answer
    x = 844,149.98

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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.