Home / 1,168,404.75-1,612,203.78-780,598.39

Finding the Fourth Proportional to 1,168,404.75, 1,612,203.78 and 780,598.39

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Solution

The fourth proportional to 1,168,404.75, 1,612,203.78 and 780,598.39 is: 1,077,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,404.75 : 1,612,203.78 = 780,598.39 : x
  2. Step 2: Convert to fraction form
    1,168,404.75/1,612,203.78 = 780,598.39/x
  3. Step 3: Cross multiply
    1,168,404.75x = 1,612,203.78 × 780,598.39
  4. Step 4: Simplify right side
    1,168,404.75x = 1,258,483,674,887.56
  5. Step 5: Solve for x
    x = 1,258,483,674,887.56/1,168,404.75
  6. Step 6: Final answer
    x = 1,077,095.65

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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.