Home / 888,613.94-1,226,284.54-480,715.66

Finding the Fourth Proportional to 888,613.94, 1,226,284.54 and 480,715.66

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Solution

The fourth proportional to 888,613.94, 1,226,284.54 and 480,715.66 is: 663,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,613.94 : 1,226,284.54 = 480,715.66 : x
  2. Step 2: Convert to fraction form
    888,613.94/1,226,284.54 = 480,715.66/x
  3. Step 3: Cross multiply
    888,613.94x = 1,226,284.54 × 480,715.66
  4. Step 4: Simplify right side
    888,613.94x = 589,494,183,676.98
  5. Step 5: Solve for x
    x = 589,494,183,676.98/888,613.94
  6. Step 6: Final answer
    x = 663,386.15

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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.