Home / 1,263,200.80-1,893,879.60-514,861.60

Finding the Fourth Proportional to 1,263,200.80, 1,893,879.60 and 514,861.60

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Solution

The fourth proportional to 1,263,200.80, 1,893,879.60 and 514,861.60 is: 771,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,200.80 : 1,893,879.60 = 514,861.60 : x
  2. Step 2: Convert to fraction form
    1,263,200.80/1,893,879.60 = 514,861.60/x
  3. Step 3: Cross multiply
    1,263,200.80x = 1,893,879.60 × 514,861.60
  4. Step 4: Simplify right side
    1,263,200.80x = 975,085,881,063.36
  5. Step 5: Solve for x
    x = 975,085,881,063.36/1,263,200.80
  6. Step 6: Final answer
    x = 771,916.77

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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.