Home / 1,119,834.19-1,545,304.59-636,332.23

Finding the Fourth Proportional to 1,119,834.19, 1,545,304.59 and 636,332.23

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Solution

The fourth proportional to 1,119,834.19, 1,545,304.59 and 636,332.23 is: 878,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,834.19 : 1,545,304.59 = 636,332.23 : x
  2. Step 2: Convert to fraction form
    1,119,834.19/1,545,304.59 = 636,332.23/x
  3. Step 3: Cross multiply
    1,119,834.19x = 1,545,304.59 × 636,332.23
  4. Step 4: Simplify right side
    1,119,834.19x = 983,327,104,875.75
  5. Step 5: Solve for x
    x = 983,327,104,875.75/1,119,834.19
  6. Step 6: Final answer
    x = 878,100.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.