Home / 436,828.80-654,368.40-249,621.60

Finding the Fourth Proportional to 436,828.80, 654,368.40 and 249,621.60

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Solution

The fourth proportional to 436,828.80, 654,368.40 and 249,621.60 is: 373,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,828.80 : 654,368.40 = 249,621.60 : x
  2. Step 2: Convert to fraction form
    436,828.80/654,368.40 = 249,621.60/x
  3. Step 3: Cross multiply
    436,828.80x = 654,368.40 × 249,621.60
  4. Step 4: Simplify right side
    436,828.80x = 163,344,486,997.44
  5. Step 5: Solve for x
    x = 163,344,486,997.44/436,828.80
  6. Step 6: Final answer
    x = 373,932.50

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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.