Home / 1,235,950.40-1,853,925.60-394,587.20

Finding the Fourth Proportional to 1,235,950.40, 1,853,925.60 and 394,587.20

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Solution

The fourth proportional to 1,235,950.40, 1,853,925.60 and 394,587.20 is: 591,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,950.40 : 1,853,925.60 = 394,587.20 : x
  2. Step 2: Convert to fraction form
    1,235,950.40/1,853,925.60 = 394,587.20/x
  3. Step 3: Cross multiply
    1,235,950.40x = 1,853,925.60 × 394,587.20
  4. Step 4: Simplify right side
    1,235,950.40x = 731,535,311,512.32
  5. Step 5: Solve for x
    x = 731,535,311,512.32/1,235,950.40
  6. Step 6: Final answer
    x = 591,880.80

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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.