Home / 1,319,410.68-1,820,958.25-738,854.86

Finding the Fourth Proportional to 1,319,410.68, 1,820,958.25 and 738,854.86

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Solution

The fourth proportional to 1,319,410.68, 1,820,958.25 and 738,854.86 is: 1,019,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,410.68 : 1,820,958.25 = 738,854.86 : x
  2. Step 2: Convert to fraction form
    1,319,410.68/1,820,958.25 = 738,854.86/x
  3. Step 3: Cross multiply
    1,319,410.68x = 1,820,958.25 × 738,854.86
  4. Step 4: Simplify right side
    1,319,410.68x = 1,345,423,852,869.60
  5. Step 5: Solve for x
    x = 1,345,423,852,869.60/1,319,410.68
  6. Step 6: Final answer
    x = 1,019,715.75

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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.