Home / 5,905,113.40-8,857,670.10-4,477,439.80

Finding the Fourth Proportional to 5,905,113.40, 8,857,670.10 and 4,477,439.80

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Solution

The fourth proportional to 5,905,113.40, 8,857,670.10 and 4,477,439.80 is: 6,716,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,113.40 : 8,857,670.10 = 4,477,439.80 : x
  2. Step 2: Convert to fraction form
    5,905,113.40/8,857,670.10 = 4,477,439.80/x
  3. Step 3: Cross multiply
    5,905,113.40x = 8,857,670.10 × 4,477,439.80
  4. Step 4: Simplify right side
    5,905,113.40x = 39,659,684,641,009.98
  5. Step 5: Solve for x
    x = 39,659,684,641,009.98/5,905,113.40
  6. Step 6: Final answer
    x = 6,716,159.70

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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.