Home / 1,431,134.12-1,974,142.72-893,657

Finding the Fourth Proportional to 1,431,134.12, 1,974,142.72 and 893,657

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Solution

The fourth proportional to 1,431,134.12, 1,974,142.72 and 893,657 is: 1,232,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,134.12 : 1,974,142.72 = 893,657 : x
  2. Step 2: Convert to fraction form
    1,431,134.12/1,974,142.72 = 893,657/x
  3. Step 3: Cross multiply
    1,431,134.12x = 1,974,142.72 × 893,657
  4. Step 4: Simplify right side
    1,431,134.12x = 1,764,206,460,727.04
  5. Step 5: Solve for x
    x = 1,764,206,460,727.04/1,431,134.12
  6. Step 6: Final answer
    x = 1,232,733.14

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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.