Home / 1,139,434.78-1,572,356.10-623,086.24

Finding the Fourth Proportional to 1,139,434.78, 1,572,356.10 and 623,086.24

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Solution

The fourth proportional to 1,139,434.78, 1,572,356.10 and 623,086.24 is: 859,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,434.78 : 1,572,356.10 = 623,086.24 : x
  2. Step 2: Convert to fraction form
    1,139,434.78/1,572,356.10 = 623,086.24/x
  3. Step 3: Cross multiply
    1,139,434.78x = 1,572,356.10 × 623,086.24
  4. Step 4: Simplify right side
    1,139,434.78x = 979,713,450,290.06
  5. Step 5: Solve for x
    x = 979,713,450,290.06/1,139,434.78
  6. Step 6: Final answer
    x = 859,824.07

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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.