Home / 877,219.20-1,314,808.20-403,952.40

Finding the Fourth Proportional to 877,219.20, 1,314,808.20 and 403,952.40

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Solution

The fourth proportional to 877,219.20, 1,314,808.20 and 403,952.40 is: 605,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,219.20 : 1,314,808.20 = 403,952.40 : x
  2. Step 2: Convert to fraction form
    877,219.20/1,314,808.20 = 403,952.40/x
  3. Step 3: Cross multiply
    877,219.20x = 1,314,808.20 × 403,952.40
  4. Step 4: Simplify right side
    877,219.20x = 531,119,927,929.68
  5. Step 5: Solve for x
    x = 531,119,927,929.68/877,219.20
  6. Step 6: Final answer
    x = 605,458.62

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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.