Home / 1,242,441.62-1,710,338.19-919,543.22

Finding the Fourth Proportional to 1,242,441.62, 1,710,338.19 and 919,543.22

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Solution

The fourth proportional to 1,242,441.62, 1,710,338.19 and 919,543.22 is: 1,265,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,441.62 : 1,710,338.19 = 919,543.22 : x
  2. Step 2: Convert to fraction form
    1,242,441.62/1,710,338.19 = 919,543.22/x
  3. Step 3: Cross multiply
    1,242,441.62x = 1,710,338.19 × 919,543.22
  4. Step 4: Simplify right side
    1,242,441.62x = 1,572,729,886,521.57
  5. Step 5: Solve for x
    x = 1,572,729,886,521.57/1,242,441.62
  6. Step 6: Final answer
    x = 1,265,838.06

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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.