Home / 783,206.39-1,174,810.50-214,592.33

Finding the Fourth Proportional to 783,206.39, 1,174,810.50 and 214,592.33

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Solution

The fourth proportional to 783,206.39, 1,174,810.50 and 214,592.33 is: 321,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,206.39 : 1,174,810.50 = 214,592.33 : x
  2. Step 2: Convert to fraction form
    783,206.39/1,174,810.50 = 214,592.33/x
  3. Step 3: Cross multiply
    783,206.39x = 1,174,810.50 × 214,592.33
  4. Step 4: Simplify right side
    783,206.39x = 252,105,316,629.41
  5. Step 5: Solve for x
    x = 252,105,316,629.41/783,206.39
  6. Step 6: Final answer
    x = 321,888.74

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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.