Home / 784,214.60-1,177,488.30-606,921.80

Finding the Fourth Proportional to 784,214.60, 1,177,488.30 and 606,921.80

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Solution

The fourth proportional to 784,214.60, 1,177,488.30 and 606,921.80 is: 911,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,214.60 : 1,177,488.30 = 606,921.80 : x
  2. Step 2: Convert to fraction form
    784,214.60/1,177,488.30 = 606,921.80/x
  3. Step 3: Cross multiply
    784,214.60x = 1,177,488.30 × 606,921.80
  4. Step 4: Simplify right side
    784,214.60x = 714,643,318,514.94
  5. Step 5: Solve for x
    x = 714,643,318,514.94/784,214.60
  6. Step 6: Final answer
    x = 911,285.40

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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.