Home / 851,693.81-1,175,040.64-545,938.75

Finding the Fourth Proportional to 851,693.81, 1,175,040.64 and 545,938.75

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Solution

The fourth proportional to 851,693.81, 1,175,040.64 and 545,938.75 is: 753,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,693.81 : 1,175,040.64 = 545,938.75 : x
  2. Step 2: Convert to fraction form
    851,693.81/1,175,040.64 = 545,938.75/x
  3. Step 3: Cross multiply
    851,693.81x = 1,175,040.64 × 545,938.75
  4. Step 4: Simplify right side
    851,693.81x = 641,500,218,200.80
  5. Step 5: Solve for x
    x = 641,500,218,200.80/851,693.81
  6. Step 6: Final answer
    x = 753,205.21

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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.