Home / 415,021.07-572,562.75-253,595.86

Finding the Fourth Proportional to 415,021.07, 572,562.75 and 253,595.86

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Solution

The fourth proportional to 415,021.07, 572,562.75 and 253,595.86 is: 349,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,021.07 : 572,562.75 = 253,595.86 : x
  2. Step 2: Convert to fraction form
    415,021.07/572,562.75 = 253,595.86/x
  3. Step 3: Cross multiply
    415,021.07x = 572,562.75 × 253,595.86
  4. Step 4: Simplify right side
    415,021.07x = 145,199,545,017.22
  5. Step 5: Solve for x
    x = 145,199,545,017.22/415,021.07
  6. Step 6: Final answer
    x = 349,860.66

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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.