Home / 1,316,614.93-1,975,008.47-405,685.69

Finding the Fourth Proportional to 1,316,614.93, 1,975,008.47 and 405,685.69

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Solution

The fourth proportional to 1,316,614.93, 1,975,008.47 and 405,685.69 is: 608,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,614.93 : 1,975,008.47 = 405,685.69 : x
  2. Step 2: Convert to fraction form
    1,316,614.93/1,975,008.47 = 405,685.69/x
  3. Step 3: Cross multiply
    1,316,614.93x = 1,975,008.47 × 405,685.69
  4. Step 4: Simplify right side
    1,316,614.93x = 801,232,674,778.54
  5. Step 5: Solve for x
    x = 801,232,674,778.54/1,316,614.93
  6. Step 6: Final answer
    x = 608,555.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.