Home / 1,400,607.29-1,932,811.82-856,703.13

Finding the Fourth Proportional to 1,400,607.29, 1,932,811.82 and 856,703.13

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Solution

The fourth proportional to 1,400,607.29, 1,932,811.82 and 856,703.13 is: 1,182,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,607.29 : 1,932,811.82 = 856,703.13 : x
  2. Step 2: Convert to fraction form
    1,400,607.29/1,932,811.82 = 856,703.13/x
  3. Step 3: Cross multiply
    1,400,607.29x = 1,932,811.82 × 856,703.13
  4. Step 4: Simplify right side
    1,400,607.29x = 1,655,845,935,895.00
  5. Step 5: Solve for x
    x = 1,655,845,935,895.00/1,400,607.29
  6. Step 6: Final answer
    x = 1,182,234.27

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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.