Home / 1,239,651.42-1,710,731.66-695,776.32

Finding the Fourth Proportional to 1,239,651.42, 1,710,731.66 and 695,776.32

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Solution

The fourth proportional to 1,239,651.42, 1,710,731.66 and 695,776.32 is: 960,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,651.42 : 1,710,731.66 = 695,776.32 : x
  2. Step 2: Convert to fraction form
    1,239,651.42/1,710,731.66 = 695,776.32/x
  3. Step 3: Cross multiply
    1,239,651.42x = 1,710,731.66 × 695,776.32
  4. Step 4: Simplify right side
    1,239,651.42x = 1,190,286,578,902.29
  5. Step 5: Solve for x
    x = 1,190,286,578,902.29/1,239,651.42
  6. Step 6: Final answer
    x = 960,178.45

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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.