Home / 1,112,467.48-1,668,700.40-402,329.96

Finding the Fourth Proportional to 1,112,467.48, 1,668,700.40 and 402,329.96

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Solution

The fourth proportional to 1,112,467.48, 1,668,700.40 and 402,329.96 is: 603,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,467.48 : 1,668,700.40 = 402,329.96 : x
  2. Step 2: Convert to fraction form
    1,112,467.48/1,668,700.40 = 402,329.96/x
  3. Step 3: Cross multiply
    1,112,467.48x = 1,668,700.40 × 402,329.96
  4. Step 4: Simplify right side
    1,112,467.48x = 671,368,165,183.98
  5. Step 5: Solve for x
    x = 671,368,165,183.98/1,112,467.48
  6. Step 6: Final answer
    x = 603,494.64

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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.