Home / 5,389,019.40-8,083,529.10-4,680,431.40

Finding the Fourth Proportional to 5,389,019.40, 8,083,529.10 and 4,680,431.40

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Solution

The fourth proportional to 5,389,019.40, 8,083,529.10 and 4,680,431.40 is: 7,020,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,019.40 : 8,083,529.10 = 4,680,431.40 : x
  2. Step 2: Convert to fraction form
    5,389,019.40/8,083,529.10 = 4,680,431.40/x
  3. Step 3: Cross multiply
    5,389,019.40x = 8,083,529.10 × 4,680,431.40
  4. Step 4: Simplify right side
    5,389,019.40x = 37,834,403,422,453.74
  5. Step 5: Solve for x
    x = 37,834,403,422,453.74/5,389,019.40
  6. Step 6: Final answer
    x = 7,020,647.10

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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.