Home / 1,072,566.82-1,480,400-613,947.25

Finding the Fourth Proportional to 1,072,566.82, 1,480,400 and 613,947.25

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Solution

The fourth proportional to 1,072,566.82, 1,480,400 and 613,947.25 is: 847,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,566.82 : 1,480,400 = 613,947.25 : x
  2. Step 2: Convert to fraction form
    1,072,566.82/1,480,400 = 613,947.25/x
  3. Step 3: Cross multiply
    1,072,566.82x = 1,480,400 × 613,947.25
  4. Step 4: Simplify right side
    1,072,566.82x = 908,887,508,900
  5. Step 5: Solve for x
    x = 908,887,508,900/1,072,566.82
  6. Step 6: Final answer
    x = 847,394.77

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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.