Home / 1,181,792.79-1,772,800.65-915,851.16

Finding the Fourth Proportional to 1,181,792.79, 1,772,800.65 and 915,851.16

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Solution

The fourth proportional to 1,181,792.79, 1,772,800.65 and 915,851.16 is: 1,373,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,792.79 : 1,772,800.65 = 915,851.16 : x
  2. Step 2: Convert to fraction form
    1,181,792.79/1,772,800.65 = 915,851.16/x
  3. Step 3: Cross multiply
    1,181,792.79x = 1,772,800.65 × 915,851.16
  4. Step 4: Simplify right side
    1,181,792.79x = 1,623,621,531,751.25
  5. Step 5: Solve for x
    x = 1,623,621,531,751.25/1,181,792.79
  6. Step 6: Final answer
    x = 1,373,863.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.