Home / 954,987.96-1,317,884.07-525,300.78

Finding the Fourth Proportional to 954,987.96, 1,317,884.07 and 525,300.78

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Solution

The fourth proportional to 954,987.96, 1,317,884.07 and 525,300.78 is: 724,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,987.96 : 1,317,884.07 = 525,300.78 : x
  2. Step 2: Convert to fraction form
    954,987.96/1,317,884.07 = 525,300.78/x
  3. Step 3: Cross multiply
    954,987.96x = 1,317,884.07 × 525,300.78
  4. Step 4: Simplify right side
    954,987.96x = 692,285,529,920.58
  5. Step 5: Solve for x
    x = 692,285,529,920.58/954,987.96
  6. Step 6: Final answer
    x = 724,915.45

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Double scale
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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.