Home / 747,066.43-1,030,949.53-407,532.25

Finding the Fourth Proportional to 747,066.43, 1,030,949.53 and 407,532.25

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Solution

The fourth proportional to 747,066.43, 1,030,949.53 and 407,532.25 is: 562,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,066.43 : 1,030,949.53 = 407,532.25 : x
  2. Step 2: Convert to fraction form
    747,066.43/1,030,949.53 = 407,532.25/x
  3. Step 3: Cross multiply
    747,066.43x = 1,030,949.53 × 407,532.25
  4. Step 4: Simplify right side
    747,066.43x = 420,145,181,597.34
  5. Step 5: Solve for x
    x = 420,145,181,597.34/747,066.43
  6. Step 6: Final answer
    x = 562,393.34

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Double scale
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Similar ratio
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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.