Home / 628,052.40-866,705.04-341,566.20

Finding the Fourth Proportional to 628,052.40, 866,705.04 and 341,566.20

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Solution

The fourth proportional to 628,052.40, 866,705.04 and 341,566.20 is: 471,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,052.40 : 866,705.04 = 341,566.20 : x
  2. Step 2: Convert to fraction form
    628,052.40/866,705.04 = 341,566.20/x
  3. Step 3: Cross multiply
    628,052.40x = 866,705.04 × 341,566.20
  4. Step 4: Simplify right side
    628,052.40x = 296,037,147,033.65
  5. Step 5: Solve for x
    x = 296,037,147,033.65/628,052.40
  6. Step 6: Final answer
    x = 471,357.40

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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.