Home / 1,129,415.90-1,558,605.53-613,174.55

Finding the Fourth Proportional to 1,129,415.90, 1,558,605.53 and 613,174.55

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Solution

The fourth proportional to 1,129,415.90, 1,558,605.53 and 613,174.55 is: 846,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,415.90 : 1,558,605.53 = 613,174.55 : x
  2. Step 2: Convert to fraction form
    1,129,415.90/1,558,605.53 = 613,174.55/x
  3. Step 3: Cross multiply
    1,129,415.90x = 1,558,605.53 × 613,174.55
  4. Step 4: Simplify right side
    1,129,415.90x = 955,697,241,419.39
  5. Step 5: Solve for x
    x = 955,697,241,419.39/1,129,415.90
  6. Step 6: Final answer
    x = 846,187.17

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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.