Home / 1,342,223.15-1,852,347.67-769,300.34

Finding the Fourth Proportional to 1,342,223.15, 1,852,347.67 and 769,300.34

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Solution

The fourth proportional to 1,342,223.15, 1,852,347.67 and 769,300.34 is: 1,061,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,223.15 : 1,852,347.67 = 769,300.34 : x
  2. Step 2: Convert to fraction form
    1,342,223.15/1,852,347.67 = 769,300.34/x
  3. Step 3: Cross multiply
    1,342,223.15x = 1,852,347.67 × 769,300.34
  4. Step 4: Simplify right side
    1,342,223.15x = 1,425,011,681,144.22
  5. Step 5: Solve for x
    x = 1,425,011,681,144.22/1,342,223.15
  6. Step 6: Final answer
    x = 1,061,680.16

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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.