Home / 1,077,763.77-1,616,774.54-437,930.79

Finding the Fourth Proportional to 1,077,763.77, 1,616,774.54 and 437,930.79

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Solution

The fourth proportional to 1,077,763.77, 1,616,774.54 and 437,930.79 is: 656,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,763.77 : 1,616,774.54 = 437,930.79 : x
  2. Step 2: Convert to fraction form
    1,077,763.77/1,616,774.54 = 437,930.79/x
  3. Step 3: Cross multiply
    1,077,763.77x = 1,616,774.54 × 437,930.79
  4. Step 4: Simplify right side
    1,077,763.77x = 708,035,349,364.43
  5. Step 5: Solve for x
    x = 708,035,349,364.43/1,077,763.77
  6. Step 6: Final answer
    x = 656,948.55

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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.