Home / 856,841.63-1,182,441.44-474,925.82

Finding the Fourth Proportional to 856,841.63, 1,182,441.44 and 474,925.82

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Solution

The fourth proportional to 856,841.63, 1,182,441.44 and 474,925.82 is: 655,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,841.63 : 1,182,441.44 = 474,925.82 : x
  2. Step 2: Convert to fraction form
    856,841.63/1,182,441.44 = 474,925.82/x
  3. Step 3: Cross multiply
    856,841.63x = 1,182,441.44 × 474,925.82
  4. Step 4: Simplify right side
    856,841.63x = 561,571,965,769.09
  5. Step 5: Solve for x
    x = 561,571,965,769.09/856,841.63
  6. Step 6: Final answer
    x = 655,397.62

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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.