Home / 948,812.84-1,309,376.48-519,100.14

Finding the Fourth Proportional to 948,812.84, 1,309,376.48 and 519,100.14

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Solution

The fourth proportional to 948,812.84, 1,309,376.48 and 519,100.14 is: 716,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,812.84 : 1,309,376.48 = 519,100.14 : x
  2. Step 2: Convert to fraction form
    948,812.84/1,309,376.48 = 519,100.14/x
  3. Step 3: Cross multiply
    948,812.84x = 1,309,376.48 × 519,100.14
  4. Step 4: Simplify right side
    948,812.84x = 679,697,511,485.21
  5. Step 5: Solve for x
    x = 679,697,511,485.21/948,812.84
  6. Step 6: Final answer
    x = 716,366.27

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1.5x scale

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.