Home / 1,036,628.30-1,555,021.16-353,302.78

Finding the Fourth Proportional to 1,036,628.30, 1,555,021.16 and 353,302.78

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Solution

The fourth proportional to 1,036,628.30, 1,555,021.16 and 353,302.78 is: 529,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,628.30 : 1,555,021.16 = 353,302.78 : x
  2. Step 2: Convert to fraction form
    1,036,628.30/1,555,021.16 = 353,302.78/x
  3. Step 3: Cross multiply
    1,036,628.30x = 1,555,021.16 × 353,302.78
  4. Step 4: Simplify right side
    1,036,628.30x = 549,393,298,786.83
  5. Step 5: Solve for x
    x = 549,393,298,786.83/1,036,628.30
  6. Step 6: Final answer
    x = 529,981.00

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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.