Home / 733,980.01-1,012,900.89-407,299.72

Finding the Fourth Proportional to 733,980.01, 1,012,900.89 and 407,299.72

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Solution

The fourth proportional to 733,980.01, 1,012,900.89 and 407,299.72 is: 562,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,980.01 : 1,012,900.89 = 407,299.72 : x
  2. Step 2: Convert to fraction form
    733,980.01/1,012,900.89 = 407,299.72/x
  3. Step 3: Cross multiply
    733,980.01x = 1,012,900.89 × 407,299.72
  4. Step 4: Simplify right side
    733,980.01x = 412,554,248,884.75
  5. Step 5: Solve for x
    x = 412,554,248,884.75/733,980.01
  6. Step 6: Final answer
    x = 562,078.32

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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.