Home / 956,921.60-1,319,664.76-698,389.04

Finding the Fourth Proportional to 956,921.60, 1,319,664.76 and 698,389.04

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Solution

The fourth proportional to 956,921.60, 1,319,664.76 and 698,389.04 is: 963,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,921.60 : 1,319,664.76 = 698,389.04 : x
  2. Step 2: Convert to fraction form
    956,921.60/1,319,664.76 = 698,389.04/x
  3. Step 3: Cross multiply
    956,921.60x = 1,319,664.76 × 698,389.04
  4. Step 4: Simplify right side
    956,921.60x = 921,639,404,858.23
  5. Step 5: Solve for x
    x = 921,639,404,858.23/956,921.60
  6. Step 6: Final answer
    x = 963,129.48

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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.