Home / 896,413.85-1,237,015.09-488,506.94

Finding the Fourth Proportional to 896,413.85, 1,237,015.09 and 488,506.94

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Solution

The fourth proportional to 896,413.85, 1,237,015.09 and 488,506.94 is: 674,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,413.85 : 1,237,015.09 = 488,506.94 : x
  2. Step 2: Convert to fraction form
    896,413.85/1,237,015.09 = 488,506.94/x
  3. Step 3: Cross multiply
    896,413.85x = 1,237,015.09 × 488,506.94
  4. Step 4: Simplify right side
    896,413.85x = 604,290,456,349.73
  5. Step 5: Solve for x
    x = 604,290,456,349.73/896,413.85
  6. Step 6: Final answer
    x = 674,119.95

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Double scale
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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.