Home / 511,312.90-766,962.15-230,829.70

Finding the Fourth Proportional to 511,312.90, 766,962.15 and 230,829.70

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Solution

The fourth proportional to 511,312.90, 766,962.15 and 230,829.70 is: 346,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,312.90 : 766,962.15 = 230,829.70 : x
  2. Step 2: Convert to fraction form
    511,312.90/766,962.15 = 230,829.70/x
  3. Step 3: Cross multiply
    511,312.90x = 766,962.15 × 230,829.70
  4. Step 4: Simplify right side
    511,312.90x = 177,037,642,995.86
  5. Step 5: Solve for x
    x = 177,037,642,995.86/511,312.90
  6. Step 6: Final answer
    x = 346,241.30

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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.