Home / 878,020.12-1,316,881.14-246,785.56

Finding the Fourth Proportional to 878,020.12, 1,316,881.14 and 246,785.56

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Solution

The fourth proportional to 878,020.12, 1,316,881.14 and 246,785.56 is: 370,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,020.12 : 1,316,881.14 = 246,785.56 : x
  2. Step 2: Convert to fraction form
    878,020.12/1,316,881.14 = 246,785.56/x
  3. Step 3: Cross multiply
    878,020.12x = 1,316,881.14 × 246,785.56
  4. Step 4: Simplify right side
    878,020.12x = 324,987,249,588.34
  5. Step 5: Solve for x
    x = 324,987,249,588.34/878,020.12
  6. Step 6: Final answer
    x = 370,136.45

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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.