Home / 305,413.04-458,298.84-127,906.40

Finding the Fourth Proportional to 305,413.04, 458,298.84 and 127,906.40

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Solution

The fourth proportional to 305,413.04, 458,298.84 and 127,906.40 is: 191,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,413.04 : 458,298.84 = 127,906.40 : x
  2. Step 2: Convert to fraction form
    305,413.04/458,298.84 = 127,906.40/x
  3. Step 3: Cross multiply
    305,413.04x = 458,298.84 × 127,906.40
  4. Step 4: Simplify right side
    305,413.04x = 58,619,354,748.58
  5. Step 5: Solve for x
    x = 58,619,354,748.58/305,413.04
  6. Step 6: Final answer
    x = 191,934.68

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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.