Home / 1,245,441-1,868,163.30-346,885.32

Finding the Fourth Proportional to 1,245,441, 1,868,163.30 and 346,885.32

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Solution

The fourth proportional to 1,245,441, 1,868,163.30 and 346,885.32 is: 520,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,441 : 1,868,163.30 = 346,885.32 : x
  2. Step 2: Convert to fraction form
    1,245,441/1,868,163.30 = 346,885.32/x
  3. Step 3: Cross multiply
    1,245,441x = 1,868,163.30 × 346,885.32
  4. Step 4: Simplify right side
    1,245,441x = 648,038,424,132.76
  5. Step 5: Solve for x
    x = 648,038,424,132.76/1,245,441
  6. Step 6: Final answer
    x = 520,328.48

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Double scale
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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.