Home / 930,860.09-1,396,370.29-256,941.50

Finding the Fourth Proportional to 930,860.09, 1,396,370.29 and 256,941.50

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Solution

The fourth proportional to 930,860.09, 1,396,370.29 and 256,941.50 is: 385,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,860.09 : 1,396,370.29 = 256,941.50 : x
  2. Step 2: Convert to fraction form
    930,860.09/1,396,370.29 = 256,941.50/x
  3. Step 3: Cross multiply
    930,860.09x = 1,396,370.29 × 256,941.50
  4. Step 4: Simplify right side
    930,860.09x = 358,785,476,868.04
  5. Step 5: Solve for x
    x = 358,785,476,868.04/930,860.09
  6. Step 6: Final answer
    x = 385,434.37

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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.