Home / 823,237.88-1,136,039.72-455,730.98

Finding the Fourth Proportional to 823,237.88, 1,136,039.72 and 455,730.98

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Solution

The fourth proportional to 823,237.88, 1,136,039.72 and 455,730.98 is: 628,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,237.88 : 1,136,039.72 = 455,730.98 : x
  2. Step 2: Convert to fraction form
    823,237.88/1,136,039.72 = 455,730.98/x
  3. Step 3: Cross multiply
    823,237.88x = 1,136,039.72 × 455,730.98
  4. Step 4: Simplify right side
    823,237.88x = 517,728,486,955.67
  5. Step 5: Solve for x
    x = 517,728,486,955.67/823,237.88
  6. Step 6: Final answer
    x = 628,892.94

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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.