Home / 859,554.81-1,289,589.80-346,956.03

Finding the Fourth Proportional to 859,554.81, 1,289,589.80 and 346,956.03

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Solution

The fourth proportional to 859,554.81, 1,289,589.80 and 346,956.03 is: 520,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,554.81 : 1,289,589.80 = 346,956.03 : x
  2. Step 2: Convert to fraction form
    859,554.81/1,289,589.80 = 346,956.03/x
  3. Step 3: Cross multiply
    859,554.81x = 1,289,589.80 × 346,956.03
  4. Step 4: Simplify right side
    859,554.81x = 447,430,955,601.71
  5. Step 5: Solve for x
    x = 447,430,955,601.71/859,554.81
  6. Step 6: Final answer
    x = 520,538.02

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1.5x scale

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.