Home / 5,426,413.70-8,139,620.55-4,170,580.10

Finding the Fourth Proportional to 5,426,413.70, 8,139,620.55 and 4,170,580.10

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Solution

The fourth proportional to 5,426,413.70, 8,139,620.55 and 4,170,580.10 is: 6,255,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,413.70 : 8,139,620.55 = 4,170,580.10 : x
  2. Step 2: Convert to fraction form
    5,426,413.70/8,139,620.55 = 4,170,580.10/x
  3. Step 3: Cross multiply
    5,426,413.70x = 8,139,620.55 × 4,170,580.10
  4. Step 4: Simplify right side
    5,426,413.70x = 33,946,939,487,381.05
  5. Step 5: Solve for x
    x = 33,946,939,487,381.05/5,426,413.70
  6. Step 6: Final answer
    x = 6,255,870.15

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Double scale
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Similar ratio
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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.