Home / 1,190,975.46-1,643,526.18-647,119.62

Finding the Fourth Proportional to 1,190,975.46, 1,643,526.18 and 647,119.62

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Solution

The fourth proportional to 1,190,975.46, 1,643,526.18 and 647,119.62 is: 893,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,975.46 : 1,643,526.18 = 647,119.62 : x
  2. Step 2: Convert to fraction form
    1,190,975.46/1,643,526.18 = 647,119.62/x
  3. Step 3: Cross multiply
    1,190,975.46x = 1,643,526.18 × 647,119.62
  4. Step 4: Simplify right side
    1,190,975.46x = 1,063,558,037,061.65
  5. Step 5: Solve for x
    x = 1,063,558,037,061.65/1,190,975.46
  6. Step 6: Final answer
    x = 893,014.23

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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.