Home / 853,749.54-1,178,174.76-471,776.34

Finding the Fourth Proportional to 853,749.54, 1,178,174.76 and 471,776.34

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Solution

The fourth proportional to 853,749.54, 1,178,174.76 and 471,776.34 is: 651,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,749.54 : 1,178,174.76 = 471,776.34 : x
  2. Step 2: Convert to fraction form
    853,749.54/1,178,174.76 = 471,776.34/x
  3. Step 3: Cross multiply
    853,749.54x = 1,178,174.76 × 471,776.34
  4. Step 4: Simplify right side
    853,749.54x = 555,834,976,153.18
  5. Step 5: Solve for x
    x = 555,834,976,153.18/853,749.54
  6. Step 6: Final answer
    x = 651,051.57

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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.