Home / 474,275.15-711,413.93-193,792.40

Finding the Fourth Proportional to 474,275.15, 711,413.93 and 193,792.40

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Solution

The fourth proportional to 474,275.15, 711,413.93 and 193,792.40 is: 290,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,275.15 : 711,413.93 = 193,792.40 : x
  2. Step 2: Convert to fraction form
    474,275.15/711,413.93 = 193,792.40/x
  3. Step 3: Cross multiply
    474,275.15x = 711,413.93 × 193,792.40
  4. Step 4: Simplify right side
    474,275.15x = 137,866,609,815.54
  5. Step 5: Solve for x
    x = 137,866,609,815.54/474,275.15
  6. Step 6: Final answer
    x = 290,689.09

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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.