Home / 1,093,543.40-1,640,315.10-383,643.20

Finding the Fourth Proportional to 1,093,543.40, 1,640,315.10 and 383,643.20

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Solution

The fourth proportional to 1,093,543.40, 1,640,315.10 and 383,643.20 is: 575,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,543.40 : 1,640,315.10 = 383,643.20 : x
  2. Step 2: Convert to fraction form
    1,093,543.40/1,640,315.10 = 383,643.20/x
  3. Step 3: Cross multiply
    1,093,543.40x = 1,640,315.10 × 383,643.20
  4. Step 4: Simplify right side
    1,093,543.40x = 629,295,733,972.32
  5. Step 5: Solve for x
    x = 629,295,733,972.32/1,093,543.40
  6. Step 6: Final answer
    x = 575,464.80

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Double scale
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Similar ratio
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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.