Home / 1,431,088.66-1,974,925.39-819,238.96

Finding the Fourth Proportional to 1,431,088.66, 1,974,925.39 and 819,238.96

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Solution

The fourth proportional to 1,431,088.66, 1,974,925.39 and 819,238.96 is: 1,130,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,088.66 : 1,974,925.39 = 819,238.96 : x
  2. Step 2: Convert to fraction form
    1,431,088.66/1,974,925.39 = 819,238.96/x
  3. Step 3: Cross multiply
    1,431,088.66x = 1,974,925.39 × 819,238.96
  4. Step 4: Simplify right side
    1,431,088.66x = 1,617,935,818,485.00
  5. Step 5: Solve for x
    x = 1,617,935,818,485.00/1,431,088.66
  6. Step 6: Final answer
    x = 1,130,562.95

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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.