Home / 1,530,413.19-2,112,201.15-886,254.21

Finding the Fourth Proportional to 1,530,413.19, 2,112,201.15 and 886,254.21

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Solution

The fourth proportional to 1,530,413.19, 2,112,201.15 and 886,254.21 is: 1,223,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,413.19 : 2,112,201.15 = 886,254.21 : x
  2. Step 2: Convert to fraction form
    1,530,413.19/2,112,201.15 = 886,254.21/x
  3. Step 3: Cross multiply
    1,530,413.19x = 2,112,201.15 × 886,254.21
  4. Step 4: Simplify right side
    1,530,413.19x = 1,871,947,161,554.34
  5. Step 5: Solve for x
    x = 1,871,947,161,554.34/1,530,413.19
  6. Step 6: Final answer
    x = 1,223,164.55

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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.