Home / 1,003,539.81-1,386,034.26-660,907.30

Finding the Fourth Proportional to 1,003,539.81, 1,386,034.26 and 660,907.30

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Solution

The fourth proportional to 1,003,539.81, 1,386,034.26 and 660,907.30 is: 912,808.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,539.81 : 1,386,034.26 = 660,907.30 : x
  2. Step 2: Convert to fraction form
    1,003,539.81/1,386,034.26 = 660,907.30/x
  3. Step 3: Cross multiply
    1,003,539.81x = 1,386,034.26 × 660,907.30
  4. Step 4: Simplify right side
    1,003,539.81x = 916,040,158,998.23
  5. Step 5: Solve for x
    x = 916,040,158,998.23/1,003,539.81
  6. Step 6: Final answer
    x = 912,808.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.