Home / 5,678,401.60-8,517,602.40-4,558,657.60

Finding the Fourth Proportional to 5,678,401.60, 8,517,602.40 and 4,558,657.60

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Solution

The fourth proportional to 5,678,401.60, 8,517,602.40 and 4,558,657.60 is: 6,837,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,401.60 : 8,517,602.40 = 4,558,657.60 : x
  2. Step 2: Convert to fraction form
    5,678,401.60/8,517,602.40 = 4,558,657.60/x
  3. Step 3: Cross multiply
    5,678,401.60x = 8,517,602.40 × 4,558,657.60
  4. Step 4: Simplify right side
    5,678,401.60x = 38,828,832,914,538.24
  5. Step 5: Solve for x
    x = 38,828,832,914,538.24/5,678,401.60
  6. Step 6: Final answer
    x = 6,837,986.40

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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.