Home / 1,327,572-1,832,187.60-818,261.28

Finding the Fourth Proportional to 1,327,572, 1,832,187.60 and 818,261.28

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Solution

The fourth proportional to 1,327,572, 1,832,187.60 and 818,261.28 is: 1,129,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,572 : 1,832,187.60 = 818,261.28 : x
  2. Step 2: Convert to fraction form
    1,327,572/1,832,187.60 = 818,261.28/x
  3. Step 3: Cross multiply
    1,327,572x = 1,832,187.60 × 818,261.28
  4. Step 4: Simplify right side
    1,327,572x = 1,499,208,170,776.13
  5. Step 5: Solve for x
    x = 1,499,208,170,776.13/1,327,572
  6. Step 6: Final answer
    x = 1,129,285.77

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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.