Home / 641,030.24-884,617.26-354,539.72

Finding the Fourth Proportional to 641,030.24, 884,617.26 and 354,539.72

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Solution

The fourth proportional to 641,030.24, 884,617.26 and 354,539.72 is: 489,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,030.24 : 884,617.26 = 354,539.72 : x
  2. Step 2: Convert to fraction form
    641,030.24/884,617.26 = 354,539.72/x
  3. Step 3: Cross multiply
    641,030.24x = 884,617.26 × 354,539.72
  4. Step 4: Simplify right side
    641,030.24x = 313,631,955,667.57
  5. Step 5: Solve for x
    x = 313,631,955,667.57/641,030.24
  6. Step 6: Final answer
    x = 489,262.34

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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.