Home / 628,152.06-866,841.03-341,665.59

Finding the Fourth Proportional to 628,152.06, 866,841.03 and 341,665.59

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Solution

The fourth proportional to 628,152.06, 866,841.03 and 341,665.59 is: 471,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,152.06 : 866,841.03 = 341,665.59 : x
  2. Step 2: Convert to fraction form
    628,152.06/866,841.03 = 341,665.59/x
  3. Step 3: Cross multiply
    628,152.06x = 866,841.03 × 341,665.59
  4. Step 4: Simplify right side
    628,152.06x = 296,169,751,951.16
  5. Step 5: Solve for x
    x = 296,169,751,951.16/628,152.06
  6. Step 6: Final answer
    x = 471,493.72

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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.