Home / 1,248,739.02-1,867,769.40-1,042,317.62

Finding the Fourth Proportional to 1,248,739.02, 1,867,769.40 and 1,042,317.62

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Solution

The fourth proportional to 1,248,739.02, 1,867,769.40 and 1,042,317.62 is: 1,559,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,739.02 : 1,867,769.40 = 1,042,317.62 : x
  2. Step 2: Convert to fraction form
    1,248,739.02/1,867,769.40 = 1,042,317.62/x
  3. Step 3: Cross multiply
    1,248,739.02x = 1,867,769.40 × 1,042,317.62
  4. Step 4: Simplify right side
    1,248,739.02x = 1,946,808,955,716.83
  5. Step 5: Solve for x
    x = 1,946,808,955,716.83/1,248,739.02
  6. Step 6: Final answer
    x = 1,559,019.88

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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.