Home / 805,691.79-1,111,582.26-456,794.88

Finding the Fourth Proportional to 805,691.79, 1,111,582.26 and 456,794.88

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Solution

The fourth proportional to 805,691.79, 1,111,582.26 and 456,794.88 is: 630,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,691.79 : 1,111,582.26 = 456,794.88 : x
  2. Step 2: Convert to fraction form
    805,691.79/1,111,582.26 = 456,794.88/x
  3. Step 3: Cross multiply
    805,691.79x = 1,111,582.26 × 456,794.88
  4. Step 4: Simplify right side
    805,691.79x = 507,765,085,066.83
  5. Step 5: Solve for x
    x = 507,765,085,066.83/805,691.79
  6. Step 6: Final answer
    x = 630,222.49

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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.