Home / 1,232,174.40-1,699,490.88-779,028

Finding the Fourth Proportional to 1,232,174.40, 1,699,490.88 and 779,028

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Solution

The fourth proportional to 1,232,174.40, 1,699,490.88 and 779,028 is: 1,074,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,174.40 : 1,699,490.88 = 779,028 : x
  2. Step 2: Convert to fraction form
    1,232,174.40/1,699,490.88 = 779,028/x
  3. Step 3: Cross multiply
    1,232,174.40x = 1,699,490.88 × 779,028
  4. Step 4: Simplify right side
    1,232,174.40x = 1,323,950,981,264.64
  5. Step 5: Solve for x
    x = 1,323,950,981,264.64/1,232,174.40
  6. Step 6: Final answer
    x = 1,074,483.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.