Home / 1,226,130.33-1,692,294.02-811,937.06

Finding the Fourth Proportional to 1,226,130.33, 1,692,294.02 and 811,937.06

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Solution

The fourth proportional to 1,226,130.33, 1,692,294.02 and 811,937.06 is: 1,120,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,130.33 : 1,692,294.02 = 811,937.06 : x
  2. Step 2: Convert to fraction form
    1,226,130.33/1,692,294.02 = 811,937.06/x
  3. Step 3: Cross multiply
    1,226,130.33x = 1,692,294.02 × 811,937.06
  4. Step 4: Simplify right side
    1,226,130.33x = 1,374,036,231,254.38
  5. Step 5: Solve for x
    x = 1,374,036,231,254.38/1,226,130.33
  6. Step 6: Final answer
    x = 1,120,628.21

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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.