Home / 1,211,833.16-1,817,795.90-453,594.80

Finding the Fourth Proportional to 1,211,833.16, 1,817,795.90 and 453,594.80

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Solution

The fourth proportional to 1,211,833.16, 1,817,795.90 and 453,594.80 is: 680,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,833.16 : 1,817,795.90 = 453,594.80 : x
  2. Step 2: Convert to fraction form
    1,211,833.16/1,817,795.90 = 453,594.80/x
  3. Step 3: Cross multiply
    1,211,833.16x = 1,817,795.90 × 453,594.80
  4. Step 4: Simplify right side
    1,211,833.16x = 824,542,767,701.32
  5. Step 5: Solve for x
    x = 824,542,767,701.32/1,211,833.16
  6. Step 6: Final answer
    x = 680,409.48

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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.