Home / 1,137,206.85-1,569,409.35-621,008.73

Finding the Fourth Proportional to 1,137,206.85, 1,569,409.35 and 621,008.73

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Solution

The fourth proportional to 1,137,206.85, 1,569,409.35 and 621,008.73 is: 857,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,206.85 : 1,569,409.35 = 621,008.73 : x
  2. Step 2: Convert to fraction form
    1,137,206.85/1,569,409.35 = 621,008.73/x
  3. Step 3: Cross multiply
    1,137,206.85x = 1,569,409.35 × 621,008.73
  4. Step 4: Simplify right side
    1,137,206.85x = 974,616,907,293.63
  5. Step 5: Solve for x
    x = 974,616,907,293.63/1,137,206.85
  6. Step 6: Final answer
    x = 857,026.94

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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.