Home / 866,667.36-1,196,047.44-484,671.36

Finding the Fourth Proportional to 866,667.36, 1,196,047.44 and 484,671.36

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Solution

The fourth proportional to 866,667.36, 1,196,047.44 and 484,671.36 is: 668,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,667.36 : 1,196,047.44 = 484,671.36 : x
  2. Step 2: Convert to fraction form
    866,667.36/1,196,047.44 = 484,671.36/x
  3. Step 3: Cross multiply
    866,667.36x = 1,196,047.44 × 484,671.36
  4. Step 4: Simplify right side
    866,667.36x = 579,689,939,369.32
  5. Step 5: Solve for x
    x = 579,689,939,369.32/866,667.36
  6. Step 6: Final answer
    x = 668,872.47

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Double scale
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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.