Home / 1,285,053.57-1,927,675.94-386,423.37

Finding the Fourth Proportional to 1,285,053.57, 1,927,675.94 and 386,423.37

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Solution

The fourth proportional to 1,285,053.57, 1,927,675.94 and 386,423.37 is: 579,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,053.57 : 1,927,675.94 = 386,423.37 : x
  2. Step 2: Convert to fraction form
    1,285,053.57/1,927,675.94 = 386,423.37/x
  3. Step 3: Cross multiply
    1,285,053.57x = 1,927,675.94 × 386,423.37
  4. Step 4: Simplify right side
    1,285,053.57x = 744,899,031,070.60
  5. Step 5: Solve for x
    x = 744,899,031,070.60/1,285,053.57
  6. Step 6: Final answer
    x = 579,663.80

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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.