Home / 1,572,129.60-2,359,968.30-1,040,688.60

Finding the Fourth Proportional to 1,572,129.60, 2,359,968.30 and 1,040,688.60

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Solution

The fourth proportional to 1,572,129.60, 2,359,968.30 and 1,040,688.60 is: 1,562,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,129.60 : 2,359,968.30 = 1,040,688.60 : x
  2. Step 2: Convert to fraction form
    1,572,129.60/2,359,968.30 = 1,040,688.60/x
  3. Step 3: Cross multiply
    1,572,129.60x = 2,359,968.30 × 1,040,688.60
  4. Step 4: Simplify right side
    1,572,129.60x = 2,455,992,106,171.38
  5. Step 5: Solve for x
    x = 2,455,992,106,171.38/1,572,129.60
  6. Step 6: Final answer
    x = 1,562,207.15

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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.