Home / 829,653.93-1,145,031.60-467,148.43

Finding the Fourth Proportional to 829,653.93, 1,145,031.60 and 467,148.43

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Solution

The fourth proportional to 829,653.93, 1,145,031.60 and 467,148.43 is: 644,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,653.93 : 1,145,031.60 = 467,148.43 : x
  2. Step 2: Convert to fraction form
    829,653.93/1,145,031.60 = 467,148.43/x
  3. Step 3: Cross multiply
    829,653.93x = 1,145,031.60 × 467,148.43
  4. Step 4: Simplify right side
    829,653.93x = 534,899,714,240.39
  5. Step 5: Solve for x
    x = 534,899,714,240.39/829,653.93
  6. Step 6: Final answer
    x = 644,726.31

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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.