Home / 665,243.20-917,775.12-410,151.52

Finding the Fourth Proportional to 665,243.20, 917,775.12 and 410,151.52

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Solution

The fourth proportional to 665,243.20, 917,775.12 and 410,151.52 is: 565,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,243.20 : 917,775.12 = 410,151.52 : x
  2. Step 2: Convert to fraction form
    665,243.20/917,775.12 = 410,151.52/x
  3. Step 3: Cross multiply
    665,243.20x = 917,775.12 × 410,151.52
  4. Step 4: Simplify right side
    665,243.20x = 376,426,860,486.18
  5. Step 5: Solve for x
    x = 376,426,860,486.18/665,243.20
  6. Step 6: Final answer
    x = 565,848.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.