Home / 1,685,486.52-2,325,955.50-921,531.96

Finding the Fourth Proportional to 1,685,486.52, 2,325,955.50 and 921,531.96

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Solution

The fourth proportional to 1,685,486.52, 2,325,955.50 and 921,531.96 is: 1,271,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,486.52 : 2,325,955.50 = 921,531.96 : x
  2. Step 2: Convert to fraction form
    1,685,486.52/2,325,955.50 = 921,531.96/x
  3. Step 3: Cross multiply
    1,685,486.52x = 2,325,955.50 × 921,531.96
  4. Step 4: Simplify right side
    1,685,486.52x = 2,143,442,330,787.78
  5. Step 5: Solve for x
    x = 2,143,442,330,787.78/1,685,486.52
  6. Step 6: Final answer
    x = 1,271,705.41

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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.