Home / 1,185,312.63-1,635,717.58-641,435.83

Finding the Fourth Proportional to 1,185,312.63, 1,635,717.58 and 641,435.83

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Solution

The fourth proportional to 1,185,312.63, 1,635,717.58 and 641,435.83 is: 885,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,312.63 : 1,635,717.58 = 641,435.83 : x
  2. Step 2: Convert to fraction form
    1,185,312.63/1,635,717.58 = 641,435.83/x
  3. Step 3: Cross multiply
    1,185,312.63x = 1,635,717.58 × 641,435.83
  4. Step 4: Simplify right side
    1,185,312.63x = 1,049,207,863,572.89
  5. Step 5: Solve for x
    x = 1,049,207,863,572.89/1,185,312.63
  6. Step 6: Final answer
    x = 885,173.95

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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.