Home / 1,285,299.60-1,927,074.60-611,703.60

Finding the Fourth Proportional to 1,285,299.60, 1,927,074.60 and 611,703.60

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Solution

The fourth proportional to 1,285,299.60, 1,927,074.60 and 611,703.60 is: 917,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,299.60 : 1,927,074.60 = 611,703.60 : x
  2. Step 2: Convert to fraction form
    1,285,299.60/1,927,074.60 = 611,703.60/x
  3. Step 3: Cross multiply
    1,285,299.60x = 1,927,074.60 × 611,703.60
  4. Step 4: Simplify right side
    1,285,299.60x = 1,178,798,470,288.56
  5. Step 5: Solve for x
    x = 1,178,798,470,288.56/1,285,299.60
  6. Step 6: Final answer
    x = 917,139.06

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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.