Home / 1,012,986.41-1,519,559.47-339,070.11

Finding the Fourth Proportional to 1,012,986.41, 1,519,559.47 and 339,070.11

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Solution

The fourth proportional to 1,012,986.41, 1,519,559.47 and 339,070.11 is: 508,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,986.41 : 1,519,559.47 = 339,070.11 : x
  2. Step 2: Convert to fraction form
    1,012,986.41/1,519,559.47 = 339,070.11/x
  3. Step 3: Cross multiply
    1,012,986.41x = 1,519,559.47 × 339,070.11
  4. Step 4: Simplify right side
    1,012,986.41x = 515,237,195,796.77
  5. Step 5: Solve for x
    x = 515,237,195,796.77/1,012,986.41
  6. Step 6: Final answer
    x = 508,631.89

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Double scale
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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.