Home / 910,857.02-1,257,093.52-528,883.80

Finding the Fourth Proportional to 910,857.02, 1,257,093.52 and 528,883.80

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Solution

The fourth proportional to 910,857.02, 1,257,093.52 and 528,883.80 is: 729,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,857.02 : 1,257,093.52 = 528,883.80 : x
  2. Step 2: Convert to fraction form
    910,857.02/1,257,093.52 = 528,883.80/x
  3. Step 3: Cross multiply
    910,857.02x = 1,257,093.52 × 528,883.80
  4. Step 4: Simplify right side
    910,857.02x = 664,856,405,358.36
  5. Step 5: Solve for x
    x = 664,856,405,358.36/910,857.02
  6. Step 6: Final answer
    x = 729,924.00

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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.