Home / 954,636.40-1,317,372.96-519,040

Finding the Fourth Proportional to 954,636.40, 1,317,372.96 and 519,040

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Solution

The fourth proportional to 954,636.40, 1,317,372.96 and 519,040 is: 716,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,636.40 : 1,317,372.96 = 519,040 : x
  2. Step 2: Convert to fraction form
    954,636.40/1,317,372.96 = 519,040/x
  3. Step 3: Cross multiply
    954,636.40x = 1,317,372.96 × 519,040
  4. Step 4: Simplify right side
    954,636.40x = 683,769,261,158.40
  5. Step 5: Solve for x
    x = 683,769,261,158.40/954,636.40
  6. Step 6: Final answer
    x = 716,261.46

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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.