Home / 805,453.60-1,111,497.51-442,874.92

Finding the Fourth Proportional to 805,453.60, 1,111,497.51 and 442,874.92

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Solution

The fourth proportional to 805,453.60, 1,111,497.51 and 442,874.92 is: 611,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,453.60 : 1,111,497.51 = 442,874.92 : x
  2. Step 2: Convert to fraction form
    805,453.60/1,111,497.51 = 442,874.92/x
  3. Step 3: Cross multiply
    805,453.60x = 1,111,497.51 × 442,874.92
  4. Step 4: Simplify right side
    805,453.60x = 492,254,370,821.45
  5. Step 5: Solve for x
    x = 492,254,370,821.45/805,453.60
  6. Step 6: Final answer
    x = 611,151.74

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Double scale
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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.