Home / 515,816.20-773,068.20-249,002.20

Finding the Fourth Proportional to 515,816.20, 773,068.20 and 249,002.20

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Solution

The fourth proportional to 515,816.20, 773,068.20 and 249,002.20 is: 373,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,816.20 : 773,068.20 = 249,002.20 : x
  2. Step 2: Convert to fraction form
    515,816.20/773,068.20 = 249,002.20/x
  3. Step 3: Cross multiply
    515,816.20x = 773,068.20 × 249,002.20
  4. Step 4: Simplify right side
    515,816.20x = 192,495,682,550.04
  5. Step 5: Solve for x
    x = 192,495,682,550.04/515,816.20
  6. Step 6: Final answer
    x = 373,186.58

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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.