Home / 1,319,277.85-1,820,606.93-715,665.85

Finding the Fourth Proportional to 1,319,277.85, 1,820,606.93 and 715,665.85

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Solution

The fourth proportional to 1,319,277.85, 1,820,606.93 and 715,665.85 is: 987,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,277.85 : 1,820,606.93 = 715,665.85 : x
  2. Step 2: Convert to fraction form
    1,319,277.85/1,820,606.93 = 715,665.85/x
  3. Step 3: Cross multiply
    1,319,277.85x = 1,820,606.93 × 715,665.85
  4. Step 4: Simplify right side
    1,319,277.85x = 1,302,946,200,628.24
  5. Step 5: Solve for x
    x = 1,302,946,200,628.24/1,319,277.85
  6. Step 6: Final answer
    x = 987,620.77

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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.