Home / 669,347.04-923,065.83-439,498.89

Finding the Fourth Proportional to 669,347.04, 923,065.83 and 439,498.89

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Solution

The fourth proportional to 669,347.04, 923,065.83 and 439,498.89 is: 606,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,347.04 : 923,065.83 = 439,498.89 : x
  2. Step 2: Convert to fraction form
    669,347.04/923,065.83 = 439,498.89/x
  3. Step 3: Cross multiply
    669,347.04x = 923,065.83 × 439,498.89
  4. Step 4: Simplify right side
    669,347.04x = 405,686,407,681.93
  5. Step 5: Solve for x
    x = 405,686,407,681.93/669,347.04
  6. Step 6: Final answer
    x = 606,092.78

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Double scale
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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.