Home / 746,958.14-1,030,802.22-407,426.40

Finding the Fourth Proportional to 746,958.14, 1,030,802.22 and 407,426.40

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Solution

The fourth proportional to 746,958.14, 1,030,802.22 and 407,426.40 is: 562,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,958.14 : 1,030,802.22 = 407,426.40 : x
  2. Step 2: Convert to fraction form
    746,958.14/1,030,802.22 = 407,426.40/x
  3. Step 3: Cross multiply
    746,958.14x = 1,030,802.22 × 407,426.40
  4. Step 4: Simplify right side
    746,958.14x = 419,976,037,606.61
  5. Step 5: Solve for x
    x = 419,976,037,606.61/746,958.14
  6. Step 6: Final answer
    x = 562,248.42

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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.