Home / 1,152,412.32-1,590,319.80-669,022.32

Finding the Fourth Proportional to 1,152,412.32, 1,590,319.80 and 669,022.32

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Solution

The fourth proportional to 1,152,412.32, 1,590,319.80 and 669,022.32 is: 923,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,412.32 : 1,590,319.80 = 669,022.32 : x
  2. Step 2: Convert to fraction form
    1,152,412.32/1,590,319.80 = 669,022.32/x
  3. Step 3: Cross multiply
    1,152,412.32x = 1,590,319.80 × 669,022.32
  4. Step 4: Simplify right side
    1,152,412.32x = 1,063,959,442,137.94
  5. Step 5: Solve for x
    x = 1,063,959,442,137.94/1,152,412.32
  6. Step 6: Final answer
    x = 923,245.46

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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.