Home / 746,962.62-1,030,799.40-407,423.58

Finding the Fourth Proportional to 746,962.62, 1,030,799.40 and 407,423.58

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Solution

The fourth proportional to 746,962.62, 1,030,799.40 and 407,423.58 is: 562,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,962.62 : 1,030,799.40 = 407,423.58 : x
  2. Step 2: Convert to fraction form
    746,962.62/1,030,799.40 = 407,423.58/x
  3. Step 3: Cross multiply
    746,962.62x = 1,030,799.40 × 407,423.58
  4. Step 4: Simplify right side
    746,962.62x = 419,971,981,809.85
  5. Step 5: Solve for x
    x = 419,971,981,809.85/746,962.62
  6. Step 6: Final answer
    x = 562,239.62

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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.