Home / 877,927.98-1,315,875.42-403,617.90

Finding the Fourth Proportional to 877,927.98, 1,315,875.42 and 403,617.90

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Solution

The fourth proportional to 877,927.98, 1,315,875.42 and 403,617.90 is: 604,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,927.98 : 1,315,875.42 = 403,617.90 : x
  2. Step 2: Convert to fraction form
    877,927.98/1,315,875.42 = 403,617.90/x
  3. Step 3: Cross multiply
    877,927.98x = 1,315,875.42 × 403,617.90
  4. Step 4: Simplify right side
    877,927.98x = 531,110,873,682.02
  5. Step 5: Solve for x
    x = 531,110,873,682.02/877,927.98
  6. Step 6: Final answer
    x = 604,959.50

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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.