Home / 434,071.98-598,986.09-243,059.40

Finding the Fourth Proportional to 434,071.98, 598,986.09 and 243,059.40

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Solution

The fourth proportional to 434,071.98, 598,986.09 and 243,059.40 is: 335,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,071.98 : 598,986.09 = 243,059.40 : x
  2. Step 2: Convert to fraction form
    434,071.98/598,986.09 = 243,059.40/x
  3. Step 3: Cross multiply
    434,071.98x = 598,986.09 × 243,059.40
  4. Step 4: Simplify right side
    434,071.98x = 145,589,199,643.75
  5. Step 5: Solve for x
    x = 145,589,199,643.75/434,071.98
  6. Step 6: Final answer
    x = 335,403.36

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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.