Home / 468,326.09-646,288.89-253,466.30

Finding the Fourth Proportional to 468,326.09, 646,288.89 and 253,466.30

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Solution

The fourth proportional to 468,326.09, 646,288.89 and 253,466.30 is: 349,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,326.09 : 646,288.89 = 253,466.30 : x
  2. Step 2: Convert to fraction form
    468,326.09/646,288.89 = 253,466.30/x
  3. Step 3: Cross multiply
    468,326.09x = 646,288.89 × 253,466.30
  4. Step 4: Simplify right side
    468,326.09x = 163,812,453,679.41
  5. Step 5: Solve for x
    x = 163,812,453,679.41/468,326.09
  6. Step 6: Final answer
    x = 349,782.89

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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.