Home / 856,672.82-1,182,208.49-474,699.60

Finding the Fourth Proportional to 856,672.82, 1,182,208.49 and 474,699.60

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Solution

The fourth proportional to 856,672.82, 1,182,208.49 and 474,699.60 is: 655,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,672.82 : 1,182,208.49 = 474,699.60 : x
  2. Step 2: Convert to fraction form
    856,672.82/1,182,208.49 = 474,699.60/x
  3. Step 3: Cross multiply
    856,672.82x = 1,182,208.49 × 474,699.60
  4. Step 4: Simplify right side
    856,672.82x = 561,193,897,319.60
  5. Step 5: Solve for x
    x = 561,193,897,319.60/856,672.82
  6. Step 6: Final answer
    x = 655,085.45

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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.