Home / 433,931.04-651,317.49-209,449.62

Finding the Fourth Proportional to 433,931.04, 651,317.49 and 209,449.62

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Solution

The fourth proportional to 433,931.04, 651,317.49 and 209,449.62 is: 314,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,931.04 : 651,317.49 = 209,449.62 : x
  2. Step 2: Convert to fraction form
    433,931.04/651,317.49 = 209,449.62/x
  3. Step 3: Cross multiply
    433,931.04x = 651,317.49 × 209,449.62
  4. Step 4: Simplify right side
    433,931.04x = 136,418,200,779.85
  5. Step 5: Solve for x
    x = 136,418,200,779.85/433,931.04
  6. Step 6: Final answer
    x = 314,377.60

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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.