Home / 734,812.60-1,100,858.10-418,329.40

Finding the Fourth Proportional to 734,812.60, 1,100,858.10 and 418,329.40

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Solution

The fourth proportional to 734,812.60, 1,100,858.10 and 418,329.40 is: 626,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,812.60 : 1,100,858.10 = 418,329.40 : x
  2. Step 2: Convert to fraction form
    734,812.60/1,100,858.10 = 418,329.40/x
  3. Step 3: Cross multiply
    734,812.60x = 1,100,858.10 × 418,329.40
  4. Step 4: Simplify right side
    734,812.60x = 460,521,308,458.14
  5. Step 5: Solve for x
    x = 460,521,308,458.14/734,812.60
  6. Step 6: Final answer
    x = 626,719.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.