Home / 1,149,413.10-1,724,262.78-391,196.30

Finding the Fourth Proportional to 1,149,413.10, 1,724,262.78 and 391,196.30

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Solution

The fourth proportional to 1,149,413.10, 1,724,262.78 and 391,196.30 is: 586,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,413.10 : 1,724,262.78 = 391,196.30 : x
  2. Step 2: Convert to fraction form
    1,149,413.10/1,724,262.78 = 391,196.30/x
  3. Step 3: Cross multiply
    1,149,413.10x = 1,724,262.78 × 391,196.30
  4. Step 4: Simplify right side
    1,149,413.10x = 674,525,219,763.71
  5. Step 5: Solve for x
    x = 674,525,219,763.71/1,149,413.10
  6. Step 6: Final answer
    x = 586,843.16

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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.