Home / 857,012.40-1,182,593.52-475,030.98

Finding the Fourth Proportional to 857,012.40, 1,182,593.52 and 475,030.98

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Solution

The fourth proportional to 857,012.40, 1,182,593.52 and 475,030.98 is: 655,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,012.40 : 1,182,593.52 = 475,030.98 : x
  2. Step 2: Convert to fraction form
    857,012.40/1,182,593.52 = 475,030.98/x
  3. Step 3: Cross multiply
    857,012.40x = 1,182,593.52 × 475,030.98
  4. Step 4: Simplify right side
    857,012.40x = 561,768,558,747.25
  5. Step 5: Solve for x
    x = 561,768,558,747.25/857,012.40
  6. Step 6: Final answer
    x = 655,496.42

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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.