Home / 683,965.52-943,870.44-382,159.76

Finding the Fourth Proportional to 683,965.52, 943,870.44 and 382,159.76

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Solution

The fourth proportional to 683,965.52, 943,870.44 and 382,159.76 is: 527,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,965.52 : 943,870.44 = 382,159.76 : x
  2. Step 2: Convert to fraction form
    683,965.52/943,870.44 = 382,159.76/x
  3. Step 3: Cross multiply
    683,965.52x = 943,870.44 × 382,159.76
  4. Step 4: Simplify right side
    683,965.52x = 360,709,300,821.49
  5. Step 5: Solve for x
    x = 360,709,300,821.49/683,965.52
  6. Step 6: Final answer
    x = 527,379.36

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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.