Home / 646,168.29-891,795.89-370,633.62

Finding the Fourth Proportional to 646,168.29, 891,795.89 and 370,633.62

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Solution

The fourth proportional to 646,168.29, 891,795.89 and 370,633.62 is: 511,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,168.29 : 891,795.89 = 370,633.62 : x
  2. Step 2: Convert to fraction form
    646,168.29/891,795.89 = 370,633.62/x
  3. Step 3: Cross multiply
    646,168.29x = 891,795.89 × 370,633.62
  4. Step 4: Simplify right side
    646,168.29x = 330,529,537,158.65
  5. Step 5: Solve for x
    x = 330,529,537,158.65/646,168.29
  6. Step 6: Final answer
    x = 511,522.37

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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.