Home / 1,623,619.72-2,240,561.67-898,466.95

Finding the Fourth Proportional to 1,623,619.72, 2,240,561.67 and 898,466.95

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Solution

The fourth proportional to 1,623,619.72, 2,240,561.67 and 898,466.95 is: 1,239,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,619.72 : 2,240,561.67 = 898,466.95 : x
  2. Step 2: Convert to fraction form
    1,623,619.72/2,240,561.67 = 898,466.95/x
  3. Step 3: Cross multiply
    1,623,619.72x = 2,240,561.67 × 898,466.95
  4. Step 4: Simplify right side
    1,623,619.72x = 2,013,070,609,931.81
  5. Step 5: Solve for x
    x = 2,013,070,609,931.81/1,623,619.72
  6. Step 6: Final answer
    x = 1,239,865.83

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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.