Home / 1,312,892.10-1,968,864.21-554,792.10

Finding the Fourth Proportional to 1,312,892.10, 1,968,864.21 and 554,792.10

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Solution

The fourth proportional to 1,312,892.10, 1,968,864.21 and 554,792.10 is: 831,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,892.10 : 1,968,864.21 = 554,792.10 : x
  2. Step 2: Convert to fraction form
    1,312,892.10/1,968,864.21 = 554,792.10/x
  3. Step 3: Cross multiply
    1,312,892.10x = 1,968,864.21 × 554,792.10
  4. Step 4: Simplify right side
    1,312,892.10x = 1,092,310,309,680.74
  5. Step 5: Solve for x
    x = 1,092,310,309,680.74/1,312,892.10
  6. Step 6: Final answer
    x = 831,987.88

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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.