Home / 971,307.70-1,456,961.55-551,403.70

Finding the Fourth Proportional to 971,307.70, 1,456,961.55 and 551,403.70

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Solution

The fourth proportional to 971,307.70, 1,456,961.55 and 551,403.70 is: 827,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,307.70 : 1,456,961.55 = 551,403.70 : x
  2. Step 2: Convert to fraction form
    971,307.70/1,456,961.55 = 551,403.70/x
  3. Step 3: Cross multiply
    971,307.70x = 1,456,961.55 × 551,403.70
  4. Step 4: Simplify right side
    971,307.70x = 803,373,989,427.74
  5. Step 5: Solve for x
    x = 803,373,989,427.74/971,307.70
  6. Step 6: Final answer
    x = 827,105.55

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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.