Home / 761,992.52-1,142,983.59-185,608.93

Finding the Fourth Proportional to 761,992.52, 1,142,983.59 and 185,608.93

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Solution

The fourth proportional to 761,992.52, 1,142,983.59 and 185,608.93 is: 278,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,992.52 : 1,142,983.59 = 185,608.93 : x
  2. Step 2: Convert to fraction form
    761,992.52/1,142,983.59 = 185,608.93/x
  3. Step 3: Cross multiply
    761,992.52x = 1,142,983.59 × 185,608.93
  4. Step 4: Simplify right side
    761,992.52x = 212,147,961,147.46
  5. Step 5: Solve for x
    x = 212,147,961,147.46/761,992.52
  6. Step 6: Final answer
    x = 278,412.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.