Home / 739,512.60-1,107,300.60-471,823.80

Finding the Fourth Proportional to 739,512.60, 1,107,300.60 and 471,823.80

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Solution

The fourth proportional to 739,512.60, 1,107,300.60 and 471,823.80 is: 706,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,512.60 : 1,107,300.60 = 471,823.80 : x
  2. Step 2: Convert to fraction form
    739,512.60/1,107,300.60 = 471,823.80/x
  3. Step 3: Cross multiply
    739,512.60x = 1,107,300.60 × 471,823.80
  4. Step 4: Simplify right side
    739,512.60x = 522,450,776,834.28
  5. Step 5: Solve for x
    x = 522,450,776,834.28/739,512.60
  6. Step 6: Final answer
    x = 706,479.89

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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.