Home / 892,521.51-1,231,375.50-570,417.41

Finding the Fourth Proportional to 892,521.51, 1,231,375.50 and 570,417.41

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Solution

The fourth proportional to 892,521.51, 1,231,375.50 and 570,417.41 is: 786,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,521.51 : 1,231,375.50 = 570,417.41 : x
  2. Step 2: Convert to fraction form
    892,521.51/1,231,375.50 = 570,417.41/x
  3. Step 3: Cross multiply
    892,521.51x = 1,231,375.50 × 570,417.41
  4. Step 4: Simplify right side
    892,521.51x = 702,398,017,290.58
  5. Step 5: Solve for x
    x = 702,398,017,290.58/892,521.51
  6. Step 6: Final answer
    x = 786,981.61

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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.