Home / 954,912-1,317,789.48-525,199.20

Finding the Fourth Proportional to 954,912, 1,317,789.48 and 525,199.20

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Solution

The fourth proportional to 954,912, 1,317,789.48 and 525,199.20 is: 724,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,912 : 1,317,789.48 = 525,199.20 : x
  2. Step 2: Convert to fraction form
    954,912/1,317,789.48 = 525,199.20/x
  3. Step 3: Cross multiply
    954,912x = 1,317,789.48 × 525,199.20
  4. Step 4: Simplify right side
    954,912x = 692,101,980,664.42
  5. Step 5: Solve for x
    x = 692,101,980,664.42/954,912
  6. Step 6: Final answer
    x = 724,780.90

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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.