Home / 1,078,077.60-1,618,428.60-545,324.40

Finding the Fourth Proportional to 1,078,077.60, 1,618,428.60 and 545,324.40

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Solution

The fourth proportional to 1,078,077.60, 1,618,428.60 and 545,324.40 is: 818,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,077.60 : 1,618,428.60 = 545,324.40 : x
  2. Step 2: Convert to fraction form
    1,078,077.60/1,618,428.60 = 545,324.40/x
  3. Step 3: Cross multiply
    1,078,077.60x = 1,618,428.60 × 545,324.40
  4. Step 4: Simplify right side
    1,078,077.60x = 882,568,605,237.84
  5. Step 5: Solve for x
    x = 882,568,605,237.84/1,078,077.60
  6. Step 6: Final answer
    x = 818,650.35

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1.5x scale

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.