Home / 439,349.47-606,316.59-243,118.19

Finding the Fourth Proportional to 439,349.47, 606,316.59 and 243,118.19

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Solution

The fourth proportional to 439,349.47, 606,316.59 and 243,118.19 is: 335,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,349.47 : 606,316.59 = 243,118.19 : x
  2. Step 2: Convert to fraction form
    439,349.47/606,316.59 = 243,118.19/x
  3. Step 3: Cross multiply
    439,349.47x = 606,316.59 × 243,118.19
  4. Step 4: Simplify right side
    439,349.47x = 147,406,593,443.56
  5. Step 5: Solve for x
    x = 147,406,593,443.56/439,349.47
  6. Step 6: Final answer
    x = 335,511.03

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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.