Home / 1,121,934.60-1,682,858.70-373,980.60

Finding the Fourth Proportional to 1,121,934.60, 1,682,858.70 and 373,980.60

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Solution

The fourth proportional to 1,121,934.60, 1,682,858.70 and 373,980.60 is: 560,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,934.60 : 1,682,858.70 = 373,980.60 : x
  2. Step 2: Convert to fraction form
    1,121,934.60/1,682,858.70 = 373,980.60/x
  3. Step 3: Cross multiply
    1,121,934.60x = 1,682,858.70 × 373,980.60
  4. Step 4: Simplify right side
    1,121,934.60x = 629,356,506,341.22
  5. Step 5: Solve for x
    x = 629,356,506,341.22/1,121,934.60
  6. Step 6: Final answer
    x = 560,956.50

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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.