Home / 1,285,208.76-1,927,666.26-338,653.56

Finding the Fourth Proportional to 1,285,208.76, 1,927,666.26 and 338,653.56

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Solution

The fourth proportional to 1,285,208.76, 1,927,666.26 and 338,653.56 is: 507,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,208.76 : 1,927,666.26 = 338,653.56 : x
  2. Step 2: Convert to fraction form
    1,285,208.76/1,927,666.26 = 338,653.56/x
  3. Step 3: Cross multiply
    1,285,208.76x = 1,927,666.26 × 338,653.56
  4. Step 4: Simplify right side
    1,285,208.76x = 652,811,041,440.89
  5. Step 5: Solve for x
    x = 652,811,041,440.89/1,285,208.76
  6. Step 6: Final answer
    x = 507,941.64

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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.