Home / 1,572,156.63-2,169,520.13-874,433.76

Finding the Fourth Proportional to 1,572,156.63, 2,169,520.13 and 874,433.76

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Solution

The fourth proportional to 1,572,156.63, 2,169,520.13 and 874,433.76 is: 1,206,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,156.63 : 2,169,520.13 = 874,433.76 : x
  2. Step 2: Convert to fraction form
    1,572,156.63/2,169,520.13 = 874,433.76/x
  3. Step 3: Cross multiply
    1,572,156.63x = 2,169,520.13 × 874,433.76
  4. Step 4: Simplify right side
    1,572,156.63x = 1,897,101,640,299.42
  5. Step 5: Solve for x
    x = 1,897,101,640,299.42/1,572,156.63
  6. Step 6: Final answer
    x = 1,206,687.43

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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.