Home / 899,141.65-1,240,816.52-491,250.35

Finding the Fourth Proportional to 899,141.65, 1,240,816.52 and 491,250.35

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Solution

The fourth proportional to 899,141.65, 1,240,816.52 and 491,250.35 is: 677,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,141.65 : 1,240,816.52 = 491,250.35 : x
  2. Step 2: Convert to fraction form
    899,141.65/1,240,816.52 = 491,250.35/x
  3. Step 3: Cross multiply
    899,141.65x = 1,240,816.52 × 491,250.35
  4. Step 4: Simplify right side
    899,141.65x = 609,551,554,065.95
  5. Step 5: Solve for x
    x = 609,551,554,065.95/899,141.65
  6. Step 6: Final answer
    x = 677,926.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.