Home / 863,886.57-1,294,820.74-649,967.09

Finding the Fourth Proportional to 863,886.57, 1,294,820.74 and 649,967.09

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Solution

The fourth proportional to 863,886.57, 1,294,820.74 and 649,967.09 is: 974,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,886.57 : 1,294,820.74 = 649,967.09 : x
  2. Step 2: Convert to fraction form
    863,886.57/1,294,820.74 = 649,967.09/x
  3. Step 3: Cross multiply
    863,886.57x = 1,294,820.74 × 649,967.09
  4. Step 4: Simplify right side
    863,886.57x = 841,590,862,787.80
  5. Step 5: Solve for x
    x = 841,590,862,787.80/863,886.57
  6. Step 6: Final answer
    x = 974,191.40

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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.