Home / 830,640.88-1,146,284.85-448,667.66

Finding the Fourth Proportional to 830,640.88, 1,146,284.85 and 448,667.66

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Solution

The fourth proportional to 830,640.88, 1,146,284.85 and 448,667.66 is: 619,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,640.88 : 1,146,284.85 = 448,667.66 : x
  2. Step 2: Convert to fraction form
    830,640.88/1,146,284.85 = 448,667.66/x
  3. Step 3: Cross multiply
    830,640.88x = 1,146,284.85 × 448,667.66
  4. Step 4: Simplify right side
    830,640.88x = 514,300,936,919.56
  5. Step 5: Solve for x
    x = 514,300,936,919.56/830,640.88
  6. Step 6: Final answer
    x = 619,161.60

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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.