Home / 5,273,145.60-7,909,718.40-1,284,057.60

Finding the Fourth Proportional to 5,273,145.60, 7,909,718.40 and 1,284,057.60

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Solution

The fourth proportional to 5,273,145.60, 7,909,718.40 and 1,284,057.60 is: 1,926,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273,145.60 : 7,909,718.40 = 1,284,057.60 : x
  2. Step 2: Convert to fraction form
    5,273,145.60/7,909,718.40 = 1,284,057.60/x
  3. Step 3: Cross multiply
    5,273,145.60x = 7,909,718.40 × 1,284,057.60
  4. Step 4: Simplify right side
    5,273,145.60x = 10,156,534,025,379.84
  5. Step 5: Solve for x
    x = 10,156,534,025,379.84/5,273,145.60
  6. Step 6: Final answer
    x = 1,926,086.40

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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.