Home / 515,845.20-773,111.70-249,031.20

Finding the Fourth Proportional to 515,845.20, 773,111.70 and 249,031.20

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Solution

The fourth proportional to 515,845.20, 773,111.70 and 249,031.20 is: 373,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,845.20 : 773,111.70 = 249,031.20 : x
  2. Step 2: Convert to fraction form
    515,845.20/773,111.70 = 249,031.20/x
  3. Step 3: Cross multiply
    515,845.20x = 773,111.70 × 249,031.20
  4. Step 4: Simplify right side
    515,845.20x = 192,528,934,385.04
  5. Step 5: Solve for x
    x = 192,528,934,385.04/515,845.20
  6. Step 6: Final answer
    x = 373,230.06

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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.