Home / 786,137.73-1,084,555.06-495,653.77

Finding the Fourth Proportional to 786,137.73, 1,084,555.06 and 495,653.77

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Solution

The fourth proportional to 786,137.73, 1,084,555.06 and 495,653.77 is: 683,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,137.73 : 1,084,555.06 = 495,653.77 : x
  2. Step 2: Convert to fraction form
    786,137.73/1,084,555.06 = 495,653.77/x
  3. Step 3: Cross multiply
    786,137.73x = 1,084,555.06 × 495,653.77
  4. Step 4: Simplify right side
    786,137.73x = 537,563,804,261.58
  5. Step 5: Solve for x
    x = 537,563,804,261.58/786,137.73
  6. Step 6: Final answer
    x = 683,803.59

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1.5x scale

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.