Home / 5,678,409.60-8,517,614.40-4,077,590.40

Finding the Fourth Proportional to 5,678,409.60, 8,517,614.40 and 4,077,590.40

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Solution

The fourth proportional to 5,678,409.60, 8,517,614.40 and 4,077,590.40 is: 6,116,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,409.60 : 8,517,614.40 = 4,077,590.40 : x
  2. Step 2: Convert to fraction form
    5,678,409.60/8,517,614.40 = 4,077,590.40/x
  3. Step 3: Cross multiply
    5,678,409.60x = 8,517,614.40 × 4,077,590.40
  4. Step 4: Simplify right side
    5,678,409.60x = 34,731,342,708,341.76
  5. Step 5: Solve for x
    x = 34,731,342,708,341.76/5,678,409.60
  6. Step 6: Final answer
    x = 6,116,385.60

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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.