Home / 1,211,809.20-1,817,713.80-581,953.20

Finding the Fourth Proportional to 1,211,809.20, 1,817,713.80 and 581,953.20

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Solution

The fourth proportional to 1,211,809.20, 1,817,713.80 and 581,953.20 is: 872,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,809.20 : 1,817,713.80 = 581,953.20 : x
  2. Step 2: Convert to fraction form
    1,211,809.20/1,817,713.80 = 581,953.20/x
  3. Step 3: Cross multiply
    1,211,809.20x = 1,817,713.80 × 581,953.20
  4. Step 4: Simplify right side
    1,211,809.20x = 1,057,824,362,594.16
  5. Step 5: Solve for x
    x = 1,057,824,362,594.16/1,211,809.20
  6. Step 6: Final answer
    x = 872,929.80

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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.