Home / 1,722,206.23-2,376,973.56-1,140,403.21

Finding the Fourth Proportional to 1,722,206.23, 2,376,973.56 and 1,140,403.21

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Solution

The fourth proportional to 1,722,206.23, 2,376,973.56 and 1,140,403.21 is: 1,573,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,206.23 : 2,376,973.56 = 1,140,403.21 : x
  2. Step 2: Convert to fraction form
    1,722,206.23/2,376,973.56 = 1,140,403.21/x
  3. Step 3: Cross multiply
    1,722,206.23x = 2,376,973.56 × 1,140,403.21
  4. Step 4: Simplify right side
    1,722,206.23x = 2,710,708,277,909.13
  5. Step 5: Solve for x
    x = 2,710,708,277,909.13/1,722,206.23
  6. Step 6: Final answer
    x = 1,573,974.26

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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.