Home / 1,209,095.56-1,668,564.66-665,238.52

Finding the Fourth Proportional to 1,209,095.56, 1,668,564.66 and 665,238.52

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Solution

The fourth proportional to 1,209,095.56, 1,668,564.66 and 665,238.52 is: 918,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,095.56 : 1,668,564.66 = 665,238.52 : x
  2. Step 2: Convert to fraction form
    1,209,095.56/1,668,564.66 = 665,238.52/x
  3. Step 3: Cross multiply
    1,209,095.56x = 1,668,564.66 × 665,238.52
  4. Step 4: Simplify right side
    1,209,095.56x = 1,109,993,484,942.70
  5. Step 5: Solve for x
    x = 1,109,993,484,942.70/1,209,095.56
  6. Step 6: Final answer
    x = 918,036.19

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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.