Home / 1,011,105.64-1,395,255.54-558,361

Finding the Fourth Proportional to 1,011,105.64, 1,395,255.54 and 558,361

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Solution

The fourth proportional to 1,011,105.64, 1,395,255.54 and 558,361 is: 770,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,105.64 : 1,395,255.54 = 558,361 : x
  2. Step 2: Convert to fraction form
    1,011,105.64/1,395,255.54 = 558,361/x
  3. Step 3: Cross multiply
    1,011,105.64x = 1,395,255.54 × 558,361
  4. Step 4: Simplify right side
    1,011,105.64x = 779,056,278,569.94
  5. Step 5: Solve for x
    x = 779,056,278,569.94/1,011,105.64
  6. Step 6: Final answer
    x = 770,499.39

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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.