Home / 1,235,683.40-1,853,525.10-436,958.60

Finding the Fourth Proportional to 1,235,683.40, 1,853,525.10 and 436,958.60

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Solution

The fourth proportional to 1,235,683.40, 1,853,525.10 and 436,958.60 is: 655,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,683.40 : 1,853,525.10 = 436,958.60 : x
  2. Step 2: Convert to fraction form
    1,235,683.40/1,853,525.10 = 436,958.60/x
  3. Step 3: Cross multiply
    1,235,683.40x = 1,853,525.10 × 436,958.60
  4. Step 4: Simplify right side
    1,235,683.40x = 809,913,732,760.86
  5. Step 5: Solve for x
    x = 809,913,732,760.86/1,235,683.40
  6. Step 6: Final answer
    x = 655,437.90

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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.