Home / 1,209,977.53-1,816,088.49-611,359.07

Finding the Fourth Proportional to 1,209,977.53, 1,816,088.49 and 611,359.07

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Solution

The fourth proportional to 1,209,977.53, 1,816,088.49 and 611,359.07 is: 917,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,977.53 : 1,816,088.49 = 611,359.07 : x
  2. Step 2: Convert to fraction form
    1,209,977.53/1,816,088.49 = 611,359.07/x
  3. Step 3: Cross multiply
    1,209,977.53x = 1,816,088.49 × 611,359.07
  4. Step 4: Simplify right side
    1,209,977.53x = 1,110,282,161,203.66
  5. Step 5: Solve for x
    x = 1,110,282,161,203.66/1,209,977.53
  6. Step 6: Final answer
    x = 917,605.61

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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.