Home / 705,421.44-1,057,798.64-273,341.32

Finding the Fourth Proportional to 705,421.44, 1,057,798.64 and 273,341.32

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Solution

The fourth proportional to 705,421.44, 1,057,798.64 and 273,341.32 is: 409,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,421.44 : 1,057,798.64 = 273,341.32 : x
  2. Step 2: Convert to fraction form
    705,421.44/1,057,798.64 = 273,341.32/x
  3. Step 3: Cross multiply
    705,421.44x = 1,057,798.64 × 273,341.32
  4. Step 4: Simplify right side
    705,421.44x = 289,140,074,590.66
  5. Step 5: Solve for x
    x = 289,140,074,590.66/705,421.44
  6. Step 6: Final answer
    x = 409,882.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.