Home / 881,911.92-1,216,945.26-519,312

Finding the Fourth Proportional to 881,911.92, 1,216,945.26 and 519,312

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Solution

The fourth proportional to 881,911.92, 1,216,945.26 and 519,312 is: 716,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,911.92 : 1,216,945.26 = 519,312 : x
  2. Step 2: Convert to fraction form
    881,911.92/1,216,945.26 = 519,312/x
  3. Step 3: Cross multiply
    881,911.92x = 1,216,945.26 × 519,312
  4. Step 4: Simplify right side
    881,911.92x = 631,974,276,861.12
  5. Step 5: Solve for x
    x = 631,974,276,861.12/881,911.92
  6. Step 6: Final answer
    x = 716,595.69

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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.