Home / 943,889.60-1,413,501.60-626,628.80

Finding the Fourth Proportional to 943,889.60, 1,413,501.60 and 626,628.80

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Solution

The fourth proportional to 943,889.60, 1,413,501.60 and 626,628.80 is: 938,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,889.60 : 1,413,501.60 = 626,628.80 : x
  2. Step 2: Convert to fraction form
    943,889.60/1,413,501.60 = 626,628.80/x
  3. Step 3: Cross multiply
    943,889.60x = 1,413,501.60 × 626,628.80
  4. Step 4: Simplify right side
    943,889.60x = 885,740,811,406.08
  5. Step 5: Solve for x
    x = 885,740,811,406.08/943,889.60
  6. Step 6: Final answer
    x = 938,394.50

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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.