Home / 778,716.36-1,074,626.56-434,548.64

Finding the Fourth Proportional to 778,716.36, 1,074,626.56 and 434,548.64

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Solution

The fourth proportional to 778,716.36, 1,074,626.56 and 434,548.64 is: 599,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,716.36 : 1,074,626.56 = 434,548.64 : x
  2. Step 2: Convert to fraction form
    778,716.36/1,074,626.56 = 434,548.64/x
  3. Step 3: Cross multiply
    778,716.36x = 1,074,626.56 × 434,548.64
  4. Step 4: Simplify right side
    778,716.36x = 466,977,510,155.88
  5. Step 5: Solve for x
    x = 466,977,510,155.88/778,716.36
  6. Step 6: Final answer
    x = 599,676.00

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Double scale
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1.5x scale

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.