Home / 468,312.19-646,269.60-253,452.20

Finding the Fourth Proportional to 468,312.19, 646,269.60 and 253,452.20

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Solution

The fourth proportional to 468,312.19, 646,269.60 and 253,452.20 is: 349,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,312.19 : 646,269.60 = 253,452.20 : x
  2. Step 2: Convert to fraction form
    468,312.19/646,269.60 = 253,452.20/x
  3. Step 3: Cross multiply
    468,312.19x = 646,269.60 × 253,452.20
  4. Step 4: Simplify right side
    468,312.19x = 163,798,449,632.22
  5. Step 5: Solve for x
    x = 163,798,449,632.22/468,312.19
  6. Step 6: Final answer
    x = 349,763.37

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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.