Home / 1,689,926.80-2,332,128.54-925,934.80

Finding the Fourth Proportional to 1,689,926.80, 2,332,128.54 and 925,934.80

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Solution

The fourth proportional to 1,689,926.80, 2,332,128.54 and 925,934.80 is: 1,277,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,926.80 : 2,332,128.54 = 925,934.80 : x
  2. Step 2: Convert to fraction form
    1,689,926.80/2,332,128.54 = 925,934.80/x
  3. Step 3: Cross multiply
    1,689,926.80x = 2,332,128.54 × 925,934.80
  4. Step 4: Simplify right side
    1,689,926.80x = 2,159,398,973,259.19
  5. Step 5: Solve for x
    x = 2,159,398,973,259.19/1,689,926.80
  6. Step 6: Final answer
    x = 1,277,806.22

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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.