Home / 824,497.09-1,137,778.47-456,958.57

Finding the Fourth Proportional to 824,497.09, 1,137,778.47 and 456,958.57

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Solution

The fourth proportional to 824,497.09, 1,137,778.47 and 456,958.57 is: 630,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,497.09 : 1,137,778.47 = 456,958.57 : x
  2. Step 2: Convert to fraction form
    824,497.09/1,137,778.47 = 456,958.57/x
  3. Step 3: Cross multiply
    824,497.09x = 1,137,778.47 × 456,958.57
  4. Step 4: Simplify right side
    824,497.09x = 519,917,621,497.14
  5. Step 5: Solve for x
    x = 519,917,621,497.14/824,497.09
  6. Step 6: Final answer
    x = 630,587.58

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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.