Home / 828,617.78-1,241,792.69-626,047.35

Finding the Fourth Proportional to 828,617.78, 1,241,792.69 and 626,047.35

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Solution

The fourth proportional to 828,617.78, 1,241,792.69 and 626,047.35 is: 938,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,617.78 : 1,241,792.69 = 626,047.35 : x
  2. Step 2: Convert to fraction form
    828,617.78/1,241,792.69 = 626,047.35/x
  3. Step 3: Cross multiply
    828,617.78x = 1,241,792.69 × 626,047.35
  4. Step 4: Simplify right side
    828,617.78x = 777,421,019,693.64
  5. Step 5: Solve for x
    x = 777,421,019,693.64/828,617.78
  6. Step 6: Final answer
    x = 938,214.27

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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.