Home / 1,245,641.40-1,867,770.90-535,548.60

Finding the Fourth Proportional to 1,245,641.40, 1,867,770.90 and 535,548.60

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Solution

The fourth proportional to 1,245,641.40, 1,867,770.90 and 535,548.60 is: 803,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,641.40 : 1,867,770.90 = 535,548.60 : x
  2. Step 2: Convert to fraction form
    1,245,641.40/1,867,770.90 = 535,548.60/x
  3. Step 3: Cross multiply
    1,245,641.40x = 1,867,770.90 × 535,548.60
  4. Step 4: Simplify right side
    1,245,641.40x = 1,000,282,090,615.74
  5. Step 5: Solve for x
    x = 1,000,282,090,615.74/1,245,641.40
  6. Step 6: Final answer
    x = 803,025.73

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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.