Home / 669,345.04-923,063.07-439,496.88

Finding the Fourth Proportional to 669,345.04, 923,063.07 and 439,496.88

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Solution

The fourth proportional to 669,345.04, 923,063.07 and 439,496.88 is: 606,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,345.04 : 923,063.07 = 439,496.88 : x
  2. Step 2: Convert to fraction form
    669,345.04/923,063.07 = 439,496.88/x
  3. Step 3: Cross multiply
    669,345.04x = 923,063.07 × 439,496.88
  4. Step 4: Simplify right side
    669,345.04x = 405,683,339,308.22
  5. Step 5: Solve for x
    x = 405,683,339,308.22/669,345.04
  6. Step 6: Final answer
    x = 606,090.01

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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.