Home / 461,774.09-637,242.02-257,828.15

Finding the Fourth Proportional to 461,774.09, 637,242.02 and 257,828.15

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Solution

The fourth proportional to 461,774.09, 637,242.02 and 257,828.15 is: 355,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,774.09 : 637,242.02 = 257,828.15 : x
  2. Step 2: Convert to fraction form
    461,774.09/637,242.02 = 257,828.15/x
  3. Step 3: Cross multiply
    461,774.09x = 637,242.02 × 257,828.15
  4. Step 4: Simplify right side
    461,774.09x = 164,298,929,829.72
  5. Step 5: Solve for x
    x = 164,298,929,829.72/461,774.09
  6. Step 6: Final answer
    x = 355,799.37

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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.