Home / 1,004,107.50-1,385,678.07-551,408.22

Finding the Fourth Proportional to 1,004,107.50, 1,385,678.07 and 551,408.22

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Solution

The fourth proportional to 1,004,107.50, 1,385,678.07 and 551,408.22 is: 760,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,107.50 : 1,385,678.07 = 551,408.22 : x
  2. Step 2: Convert to fraction form
    1,004,107.50/1,385,678.07 = 551,408.22/x
  3. Step 3: Cross multiply
    1,004,107.50x = 1,385,678.07 × 551,408.22
  4. Step 4: Simplify right side
    1,004,107.50x = 764,074,278,071.74
  5. Step 5: Solve for x
    x = 764,074,278,071.74/1,004,107.50
  6. Step 6: Final answer
    x = 760,948.68

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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.