Home / 738,109.92-1,018,594.80-415,823.88

Finding the Fourth Proportional to 738,109.92, 1,018,594.80 and 415,823.88

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Solution

The fourth proportional to 738,109.92, 1,018,594.80 and 415,823.88 is: 573,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,109.92 : 1,018,594.80 = 415,823.88 : x
  2. Step 2: Convert to fraction form
    738,109.92/1,018,594.80 = 415,823.88/x
  3. Step 3: Cross multiply
    738,109.92x = 1,018,594.80 × 415,823.88
  4. Step 4: Simplify right side
    738,109.92x = 423,556,041,883.82
  5. Step 5: Solve for x
    x = 423,556,041,883.82/738,109.92
  6. Step 6: Final answer
    x = 573,838.71

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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.