Home / 1,225,868.80-1,835,390.40-625,532.80

Finding the Fourth Proportional to 1,225,868.80, 1,835,390.40 and 625,532.80

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Solution

The fourth proportional to 1,225,868.80, 1,835,390.40 and 625,532.80 is: 936,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,868.80 : 1,835,390.40 = 625,532.80 : x
  2. Step 2: Convert to fraction form
    1,225,868.80/1,835,390.40 = 625,532.80/x
  3. Step 3: Cross multiply
    1,225,868.80x = 1,835,390.40 × 625,532.80
  4. Step 4: Simplify right side
    1,225,868.80x = 1,148,096,896,005.12
  5. Step 5: Solve for x
    x = 1,148,096,896,005.12/1,225,868.80
  6. Step 6: Final answer
    x = 936,557.73

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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.