Home / 911,414.02-1,257,751.34-529,465.40

Finding the Fourth Proportional to 911,414.02, 1,257,751.34 and 529,465.40

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Solution

The fourth proportional to 911,414.02, 1,257,751.34 and 529,465.40 is: 730,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,414.02 : 1,257,751.34 = 529,465.40 : x
  2. Step 2: Convert to fraction form
    911,414.02/1,257,751.34 = 529,465.40/x
  3. Step 3: Cross multiply
    911,414.02x = 1,257,751.34 × 529,465.40
  4. Step 4: Simplify right side
    911,414.02x = 665,935,820,801.68
  5. Step 5: Solve for x
    x = 665,935,820,801.68/911,414.02
  6. Step 6: Final answer
    x = 730,662.25

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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.