Home / 774,057.96-1,068,195.78-434,526.12

Finding the Fourth Proportional to 774,057.96, 1,068,195.78 and 434,526.12

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Solution

The fourth proportional to 774,057.96, 1,068,195.78 and 434,526.12 is: 599,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,057.96 : 1,068,195.78 = 434,526.12 : x
  2. Step 2: Convert to fraction form
    774,057.96/1,068,195.78 = 434,526.12/x
  3. Step 3: Cross multiply
    774,057.96x = 1,068,195.78 × 434,526.12
  4. Step 4: Simplify right side
    774,057.96x = 464,158,967,683.77
  5. Step 5: Solve for x
    x = 464,158,967,683.77/774,057.96
  6. Step 6: Final answer
    x = 599,643.69

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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.