Home / 1,690,323.36-2,535,721.86-553,174.94

Finding the Fourth Proportional to 1,690,323.36, 2,535,721.86 and 553,174.94

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Solution

The fourth proportional to 1,690,323.36, 2,535,721.86 and 553,174.94 is: 829,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,323.36 : 2,535,721.86 = 553,174.94 : x
  2. Step 2: Convert to fraction form
    1,690,323.36/2,535,721.86 = 553,174.94/x
  3. Step 3: Cross multiply
    1,690,323.36x = 2,535,721.86 × 553,174.94
  4. Step 4: Simplify right side
    1,690,323.36x = 1,402,697,793,064.29
  5. Step 5: Solve for x
    x = 1,402,697,793,064.29/1,690,323.36
  6. Step 6: Final answer
    x = 829,839.91

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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.