Home / 628,000.13-866,632.02-341,514.07

Finding the Fourth Proportional to 628,000.13, 866,632.02 and 341,514.07

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Solution

The fourth proportional to 628,000.13, 866,632.02 and 341,514.07 is: 471,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,000.13 : 866,632.02 = 341,514.07 : x
  2. Step 2: Convert to fraction form
    628,000.13/866,632.02 = 341,514.07/x
  3. Step 3: Cross multiply
    628,000.13x = 866,632.02 × 341,514.07
  4. Step 4: Simplify right side
    628,000.13x = 295,967,028,342.52
  5. Step 5: Solve for x
    x = 295,967,028,342.52/628,000.13
  6. Step 6: Final answer
    x = 471,284.98

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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.