Home / 1,263,205.80-1,893,887.10-514,866.60

Finding the Fourth Proportional to 1,263,205.80, 1,893,887.10 and 514,866.60

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Solution

The fourth proportional to 1,263,205.80, 1,893,887.10 and 514,866.60 is: 771,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,205.80 : 1,893,887.10 = 514,866.60 : x
  2. Step 2: Convert to fraction form
    1,263,205.80/1,893,887.10 = 514,866.60/x
  3. Step 3: Cross multiply
    1,263,205.80x = 1,893,887.10 × 514,866.60
  4. Step 4: Simplify right side
    1,263,205.80x = 975,099,211,960.86
  5. Step 5: Solve for x
    x = 975,099,211,960.86/1,263,205.80
  6. Step 6: Final answer
    x = 771,924.27

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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.