Home / 971,312.40-1,456,968.60-551,408.40

Finding the Fourth Proportional to 971,312.40, 1,456,968.60 and 551,408.40

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Solution

The fourth proportional to 971,312.40, 1,456,968.60 and 551,408.40 is: 827,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,312.40 : 1,456,968.60 = 551,408.40 : x
  2. Step 2: Convert to fraction form
    971,312.40/1,456,968.60 = 551,408.40/x
  3. Step 3: Cross multiply
    971,312.40x = 1,456,968.60 × 551,408.40
  4. Step 4: Simplify right side
    971,312.40x = 803,384,724,576.24
  5. Step 5: Solve for x
    x = 803,384,724,576.24/971,312.40
  6. Step 6: Final answer
    x = 827,112.60

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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.