Home / 948,812.71-1,309,376.30-519,100.02

Finding the Fourth Proportional to 948,812.71, 1,309,376.30 and 519,100.02

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Solution

The fourth proportional to 948,812.71, 1,309,376.30 and 519,100.02 is: 716,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,812.71 : 1,309,376.30 = 519,100.02 : x
  2. Step 2: Convert to fraction form
    948,812.71/1,309,376.30 = 519,100.02/x
  3. Step 3: Cross multiply
    948,812.71x = 1,309,376.30 × 519,100.02
  4. Step 4: Simplify right side
    948,812.71x = 679,697,263,517.53
  5. Step 5: Solve for x
    x = 679,697,263,517.53/948,812.71
  6. Step 6: Final answer
    x = 716,366.10

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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.