Home / 877,926.48-1,315,873.17-403,616.40

Finding the Fourth Proportional to 877,926.48, 1,315,873.17 and 403,616.40

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Solution

The fourth proportional to 877,926.48, 1,315,873.17 and 403,616.40 is: 604,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,926.48 : 1,315,873.17 = 403,616.40 : x
  2. Step 2: Convert to fraction form
    877,926.48/1,315,873.17 = 403,616.40/x
  3. Step 3: Cross multiply
    877,926.48x = 1,315,873.17 × 403,616.40
  4. Step 4: Simplify right side
    877,926.48x = 531,107,991,731.99
  5. Step 5: Solve for x
    x = 531,107,991,731.99/877,926.48
  6. Step 6: Final answer
    x = 604,957.25

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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.