Home / 856,499.23-1,283,347.27-518,515.46

Finding the Fourth Proportional to 856,499.23, 1,283,347.27 and 518,515.46

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Solution

The fourth proportional to 856,499.23, 1,283,347.27 and 518,515.46 is: 776,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,499.23 : 1,283,347.27 = 518,515.46 : x
  2. Step 2: Convert to fraction form
    856,499.23/1,283,347.27 = 518,515.46/x
  3. Step 3: Cross multiply
    856,499.23x = 1,283,347.27 × 518,515.46
  4. Step 4: Simplify right side
    856,499.23x = 665,435,400,043.79
  5. Step 5: Solve for x
    x = 665,435,400,043.79/856,499.23
  6. Step 6: Final answer
    x = 776,924.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.