Home / 1,139,488.11-1,572,480.84-623,256.83

Finding the Fourth Proportional to 1,139,488.11, 1,572,480.84 and 623,256.83

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Solution

The fourth proportional to 1,139,488.11, 1,572,480.84 and 623,256.83 is: 860,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,488.11 : 1,572,480.84 = 623,256.83 : x
  2. Step 2: Convert to fraction form
    1,139,488.11/1,572,480.84 = 623,256.83/x
  3. Step 3: Cross multiply
    1,139,488.11x = 1,572,480.84 × 623,256.83
  4. Step 4: Simplify right side
    1,139,488.11x = 980,059,423,945.75
  5. Step 5: Solve for x
    x = 980,059,423,945.75/1,139,488.11
  6. Step 6: Final answer
    x = 860,087.45

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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.