Home / 1,036,700.64-1,555,129.80-353,375.28

Finding the Fourth Proportional to 1,036,700.64, 1,555,129.80 and 353,375.28

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Solution

The fourth proportional to 1,036,700.64, 1,555,129.80 and 353,375.28 is: 530,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,700.64 : 1,555,129.80 = 353,375.28 : x
  2. Step 2: Convert to fraction form
    1,036,700.64/1,555,129.80 = 353,375.28/x
  3. Step 3: Cross multiply
    1,036,700.64x = 1,555,129.80 × 353,375.28
  4. Step 4: Simplify right side
    1,036,700.64x = 549,544,428,511.34
  5. Step 5: Solve for x
    x = 549,544,428,511.34/1,036,700.64
  6. Step 6: Final answer
    x = 530,089.79

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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.