Home / 628,391.71-867,196.09-341,927.52

Finding the Fourth Proportional to 628,391.71, 867,196.09 and 341,927.52

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Solution

The fourth proportional to 628,391.71, 867,196.09 and 341,927.52 is: 471,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,391.71 : 867,196.09 = 341,927.52 : x
  2. Step 2: Convert to fraction form
    628,391.71/867,196.09 = 341,927.52/x
  3. Step 3: Cross multiply
    628,391.71x = 867,196.09 × 341,927.52
  4. Step 4: Simplify right side
    628,391.71x = 296,518,208,407.40
  5. Step 5: Solve for x
    x = 296,518,208,407.40/628,391.71
  6. Step 6: Final answer
    x = 471,868.43

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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.