Home / 910,858.02-1,257,094.90-528,884.80

Finding the Fourth Proportional to 910,858.02, 1,257,094.90 and 528,884.80

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Solution

The fourth proportional to 910,858.02, 1,257,094.90 and 528,884.80 is: 729,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,858.02 : 1,257,094.90 = 528,884.80 : x
  2. Step 2: Convert to fraction form
    910,858.02/1,257,094.90 = 528,884.80/x
  3. Step 3: Cross multiply
    910,858.02x = 1,257,094.90 × 528,884.80
  4. Step 4: Simplify right side
    910,858.02x = 664,858,384,767.52
  5. Step 5: Solve for x
    x = 664,858,384,767.52/910,858.02
  6. Step 6: Final answer
    x = 729,925.38

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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.