Home / 1,070,826.54-1,477,492.83-640,943.34

Finding the Fourth Proportional to 1,070,826.54, 1,477,492.83 and 640,943.34

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Solution

The fourth proportional to 1,070,826.54, 1,477,492.83 and 640,943.34 is: 884,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,826.54 : 1,477,492.83 = 640,943.34 : x
  2. Step 2: Convert to fraction form
    1,070,826.54/1,477,492.83 = 640,943.34/x
  3. Step 3: Cross multiply
    1,070,826.54x = 1,477,492.83 × 640,943.34
  4. Step 4: Simplify right side
    1,070,826.54x = 946,989,189,286.25
  5. Step 5: Solve for x
    x = 946,989,189,286.25/1,070,826.54
  6. Step 6: Final answer
    x = 884,353.49

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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.