Home / 1,036,665.43-1,555,076.85-353,339.90

Finding the Fourth Proportional to 1,036,665.43, 1,555,076.85 and 353,339.90

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Solution

The fourth proportional to 1,036,665.43, 1,555,076.85 and 353,339.90 is: 530,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,665.43 : 1,555,076.85 = 353,339.90 : x
  2. Step 2: Convert to fraction form
    1,036,665.43/1,555,076.85 = 353,339.90/x
  3. Step 3: Cross multiply
    1,036,665.43x = 1,555,076.85 × 353,339.90
  4. Step 4: Simplify right side
    1,036,665.43x = 549,470,698,671.32
  5. Step 5: Solve for x
    x = 549,470,698,671.32/1,036,665.43
  6. Step 6: Final answer
    x = 530,036.68

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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.