Home / 1,036,615.30-1,555,001.67-353,289.78

Finding the Fourth Proportional to 1,036,615.30, 1,555,001.67 and 353,289.78

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Solution

The fourth proportional to 1,036,615.30, 1,555,001.67 and 353,289.78 is: 529,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,615.30 : 1,555,001.67 = 353,289.78 : x
  2. Step 2: Convert to fraction form
    1,036,615.30/1,555,001.67 = 353,289.78/x
  3. Step 3: Cross multiply
    1,036,615.30x = 1,555,001.67 × 353,289.78
  4. Step 4: Simplify right side
    1,036,615.30x = 549,366,197,893.93
  5. Step 5: Solve for x
    x = 549,366,197,893.93/1,036,615.30
  6. Step 6: Final answer
    x = 529,961.50

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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.