Home / 984,965.42-1,359,170.70-555,351.14

Finding the Fourth Proportional to 984,965.42, 1,359,170.70 and 555,351.14

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Solution

The fourth proportional to 984,965.42, 1,359,170.70 and 555,351.14 is: 766,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,965.42 : 1,359,170.70 = 555,351.14 : x
  2. Step 2: Convert to fraction form
    984,965.42/1,359,170.70 = 555,351.14/x
  3. Step 3: Cross multiply
    984,965.42x = 1,359,170.70 × 555,351.14
  4. Step 4: Simplify right side
    984,965.42x = 754,816,997,699.60
  5. Step 5: Solve for x
    x = 754,816,997,699.60/984,965.42
  6. Step 6: Final answer
    x = 766,338.58

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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.