Home / 923,884.14-1,386,264.84-640,011.54

Finding the Fourth Proportional to 923,884.14, 1,386,264.84 and 640,011.54

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Solution

The fourth proportional to 923,884.14, 1,386,264.84 and 640,011.54 is: 960,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,884.14 : 1,386,264.84 = 640,011.54 : x
  2. Step 2: Convert to fraction form
    923,884.14/1,386,264.84 = 640,011.54/x
  3. Step 3: Cross multiply
    923,884.14x = 1,386,264.84 × 640,011.54
  4. Step 4: Simplify right side
    923,884.14x = 887,225,495,096.25
  5. Step 5: Solve for x
    x = 887,225,495,096.25/923,884.14
  6. Step 6: Final answer
    x = 960,321.17

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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.