Home / 894,128.40-1,337,693.40-579,200.40

Finding the Fourth Proportional to 894,128.40, 1,337,693.40 and 579,200.40

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Solution

The fourth proportional to 894,128.40, 1,337,693.40 and 579,200.40 is: 866,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,128.40 : 1,337,693.40 = 579,200.40 : x
  2. Step 2: Convert to fraction form
    894,128.40/1,337,693.40 = 579,200.40/x
  3. Step 3: Cross multiply
    894,128.40x = 1,337,693.40 × 579,200.40
  4. Step 4: Simplify right side
    894,128.40x = 774,792,552,357.36
  5. Step 5: Solve for x
    x = 774,792,552,357.36/894,128.40
  6. Step 6: Final answer
    x = 866,533.88

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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.