Home / 1,461,809.80-2,191,937.10-619,409.80

Finding the Fourth Proportional to 1,461,809.80, 2,191,937.10 and 619,409.80

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Solution

The fourth proportional to 1,461,809.80, 2,191,937.10 and 619,409.80 is: 928,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,809.80 : 2,191,937.10 = 619,409.80 : x
  2. Step 2: Convert to fraction form
    1,461,809.80/2,191,937.10 = 619,409.80/x
  3. Step 3: Cross multiply
    1,461,809.80x = 2,191,937.10 × 619,409.80
  4. Step 4: Simplify right side
    1,461,809.80x = 1,357,707,320,723.58
  5. Step 5: Solve for x
    x = 1,357,707,320,723.58/1,461,809.80
  6. Step 6: Final answer
    x = 928,785.21

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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.