Home / 1,216,243.80-1,824,365.70-585,221.40

Finding the Fourth Proportional to 1,216,243.80, 1,824,365.70 and 585,221.40

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Solution

The fourth proportional to 1,216,243.80, 1,824,365.70 and 585,221.40 is: 877,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,243.80 : 1,824,365.70 = 585,221.40 : x
  2. Step 2: Convert to fraction form
    1,216,243.80/1,824,365.70 = 585,221.40/x
  3. Step 3: Cross multiply
    1,216,243.80x = 1,824,365.70 × 585,221.40
  4. Step 4: Simplify right side
    1,216,243.80x = 1,067,657,849,065.98
  5. Step 5: Solve for x
    x = 1,067,657,849,065.98/1,216,243.80
  6. Step 6: Final answer
    x = 877,832.10

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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.