Home / 1,088,603.78-1,633,648.71-378,624.74

Finding the Fourth Proportional to 1,088,603.78, 1,633,648.71 and 378,624.74

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Solution

The fourth proportional to 1,088,603.78, 1,633,648.71 and 378,624.74 is: 568,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,603.78 : 1,633,648.71 = 378,624.74 : x
  2. Step 2: Convert to fraction form
    1,088,603.78/1,633,648.71 = 378,624.74/x
  3. Step 3: Cross multiply
    1,088,603.78x = 1,633,648.71 × 378,624.74
  4. Step 4: Simplify right side
    1,088,603.78x = 618,539,818,075.09
  5. Step 5: Solve for x
    x = 618,539,818,075.09/1,088,603.78
  6. Step 6: Final answer
    x = 568,195.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.