Home / 1,260,806.40-1,891,209.60-630,950.40

Finding the Fourth Proportional to 1,260,806.40, 1,891,209.60 and 630,950.40

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Solution

The fourth proportional to 1,260,806.40, 1,891,209.60 and 630,950.40 is: 946,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,806.40 : 1,891,209.60 = 630,950.40 : x
  2. Step 2: Convert to fraction form
    1,260,806.40/1,891,209.60 = 630,950.40/x
  3. Step 3: Cross multiply
    1,260,806.40x = 1,891,209.60 × 630,950.40
  4. Step 4: Simplify right side
    1,260,806.40x = 1,193,259,453,603.84
  5. Step 5: Solve for x
    x = 1,193,259,453,603.84/1,260,806.40
  6. Step 6: Final answer
    x = 946,425.60

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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.