Home / 453,821.45-626,268.45-249,868.20

Finding the Fourth Proportional to 453,821.45, 626,268.45 and 249,868.20

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Solution

The fourth proportional to 453,821.45, 626,268.45 and 249,868.20 is: 344,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,821.45 : 626,268.45 = 249,868.20 : x
  2. Step 2: Convert to fraction form
    453,821.45/626,268.45 = 249,868.20/x
  3. Step 3: Cross multiply
    453,821.45x = 626,268.45 × 249,868.20
  4. Step 4: Simplify right side
    453,821.45x = 156,484,570,318.29
  5. Step 5: Solve for x
    x = 156,484,570,318.29/453,821.45
  6. Step 6: Final answer
    x = 344,815.28

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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.