Home / 1,285,650.51-1,774,078.41-712,641.93

Finding the Fourth Proportional to 1,285,650.51, 1,774,078.41 and 712,641.93

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Solution

The fourth proportional to 1,285,650.51, 1,774,078.41 and 712,641.93 is: 983,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,650.51 : 1,774,078.41 = 712,641.93 : x
  2. Step 2: Convert to fraction form
    1,285,650.51/1,774,078.41 = 712,641.93/x
  3. Step 3: Cross multiply
    1,285,650.51x = 1,774,078.41 × 712,641.93
  4. Step 4: Simplify right side
    1,285,650.51x = 1,264,282,662,073.73
  5. Step 5: Solve for x
    x = 1,264,282,662,073.73/1,285,650.51
  6. Step 6: Final answer
    x = 983,379.74

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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.