Home / 828,305.10-1,242,457.65-529,706.70

Finding the Fourth Proportional to 828,305.10, 1,242,457.65 and 529,706.70

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Solution

The fourth proportional to 828,305.10, 1,242,457.65 and 529,706.70 is: 794,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,305.10 : 1,242,457.65 = 529,706.70 : x
  2. Step 2: Convert to fraction form
    828,305.10/1,242,457.65 = 529,706.70/x
  3. Step 3: Cross multiply
    828,305.10x = 1,242,457.65 × 529,706.70
  4. Step 4: Simplify right side
    828,305.10x = 658,138,141,671.26
  5. Step 5: Solve for x
    x = 658,138,141,671.26/828,305.10
  6. Step 6: Final answer
    x = 794,560.05

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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.