Home / 985,733.80-1,360,320.78-544,222.60

Finding the Fourth Proportional to 985,733.80, 1,360,320.78 and 544,222.60

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Solution

The fourth proportional to 985,733.80, 1,360,320.78 and 544,222.60 is: 751,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,733.80 : 1,360,320.78 = 544,222.60 : x
  2. Step 2: Convert to fraction form
    985,733.80/1,360,320.78 = 544,222.60/x
  3. Step 3: Cross multiply
    985,733.80x = 1,360,320.78 × 544,222.60
  4. Step 4: Simplify right side
    985,733.80x = 740,317,311,725.63
  5. Step 5: Solve for x
    x = 740,317,311,725.63/985,733.80
  6. Step 6: Final answer
    x = 751,031.68

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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.