Home / 1,015,320.12-1,401,150.06-562,618.68

Finding the Fourth Proportional to 1,015,320.12, 1,401,150.06 and 562,618.68

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Solution

The fourth proportional to 1,015,320.12, 1,401,150.06 and 562,618.68 is: 776,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,320.12 : 1,401,150.06 = 562,618.68 : x
  2. Step 2: Convert to fraction form
    1,015,320.12/1,401,150.06 = 562,618.68/x
  3. Step 3: Cross multiply
    1,015,320.12x = 1,401,150.06 × 562,618.68
  4. Step 4: Simplify right side
    1,015,320.12x = 788,313,197,239.12
  5. Step 5: Solve for x
    x = 788,313,197,239.12/1,015,320.12
  6. Step 6: Final answer
    x = 776,418.37

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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.