Home / 1,211,829.15-1,817,789.90-453,590.79

Finding the Fourth Proportional to 1,211,829.15, 1,817,789.90 and 453,590.79

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Solution

The fourth proportional to 1,211,829.15, 1,817,789.90 and 453,590.79 is: 680,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,829.15 : 1,817,789.90 = 453,590.79 : x
  2. Step 2: Convert to fraction form
    1,211,829.15/1,817,789.90 = 453,590.79/x
  3. Step 3: Cross multiply
    1,211,829.15x = 1,817,789.90 × 453,590.79
  4. Step 4: Simplify right side
    1,211,829.15x = 824,532,750,261.80
  5. Step 5: Solve for x
    x = 824,532,750,261.80/1,211,829.15
  6. Step 6: Final answer
    x = 680,403.46

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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.