Home / 1,277,100.68-1,762,412.68-696,319.03

Finding the Fourth Proportional to 1,277,100.68, 1,762,412.68 and 696,319.03

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Solution

The fourth proportional to 1,277,100.68, 1,762,412.68 and 696,319.03 is: 960,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,100.68 : 1,762,412.68 = 696,319.03 : x
  2. Step 2: Convert to fraction form
    1,277,100.68/1,762,412.68 = 696,319.03/x
  3. Step 3: Cross multiply
    1,277,100.68x = 1,762,412.68 × 696,319.03
  4. Step 4: Simplify right side
    1,277,100.68x = 1,227,201,490,870.72
  5. Step 5: Solve for x
    x = 1,227,201,490,870.72/1,277,100.68
  6. Step 6: Final answer
    x = 960,927.76

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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.