Home / 1,038,656.76-1,553,885.70-786,663.33

Finding the Fourth Proportional to 1,038,656.76, 1,553,885.70 and 786,663.33

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Solution

The fourth proportional to 1,038,656.76, 1,553,885.70 and 786,663.33 is: 1,176,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,656.76 : 1,553,885.70 = 786,663.33 : x
  2. Step 2: Convert to fraction form
    1,038,656.76/1,553,885.70 = 786,663.33/x
  3. Step 3: Cross multiply
    1,038,656.76x = 1,553,885.70 × 786,663.33
  4. Step 4: Simplify right side
    1,038,656.76x = 1,222,384,899,201.38
  5. Step 5: Solve for x
    x = 1,222,384,899,201.38/1,038,656.76
  6. Step 6: Final answer
    x = 1,176,890.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.