Home / 1,135,333.20-1,566,763.08-626,024.40

Finding the Fourth Proportional to 1,135,333.20, 1,566,763.08 and 626,024.40

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Solution

The fourth proportional to 1,135,333.20, 1,566,763.08 and 626,024.40 is: 863,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,333.20 : 1,566,763.08 = 626,024.40 : x
  2. Step 2: Convert to fraction form
    1,135,333.20/1,566,763.08 = 626,024.40/x
  3. Step 3: Cross multiply
    1,135,333.20x = 1,566,763.08 × 626,024.40
  4. Step 4: Simplify right side
    1,135,333.20x = 980,831,917,099.15
  5. Step 5: Solve for x
    x = 980,831,917,099.15/1,135,333.20
  6. Step 6: Final answer
    x = 863,915.47

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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.