Home / 403,880.08-556,899.24-258,495.52

Finding the Fourth Proportional to 403,880.08, 556,899.24 and 258,495.52

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Solution

The fourth proportional to 403,880.08, 556,899.24 and 258,495.52 is: 356,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,880.08 : 556,899.24 = 258,495.52 : x
  2. Step 2: Convert to fraction form
    403,880.08/556,899.24 = 258,495.52/x
  3. Step 3: Cross multiply
    403,880.08x = 556,899.24 × 258,495.52
  4. Step 4: Simplify right side
    403,880.08x = 143,955,958,631.41
  5. Step 5: Solve for x
    x = 143,955,958,631.41/403,880.08
  6. Step 6: Final answer
    x = 356,432.43

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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.