Home / 1,139,857.14-1,572,956.37-656,440.50

Finding the Fourth Proportional to 1,139,857.14, 1,572,956.37 and 656,440.50

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Solution

The fourth proportional to 1,139,857.14, 1,572,956.37 and 656,440.50 is: 905,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,857.14 : 1,572,956.37 = 656,440.50 : x
  2. Step 2: Convert to fraction form
    1,139,857.14/1,572,956.37 = 656,440.50/x
  3. Step 3: Cross multiply
    1,139,857.14x = 1,572,956.37 × 656,440.50
  4. Step 4: Simplify right side
    1,139,857.14x = 1,032,552,266,000.99
  5. Step 5: Solve for x
    x = 1,032,552,266,000.99/1,139,857.14
  6. Step 6: Final answer
    x = 905,861.12

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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.