Home / 1,139,669.76-1,572,692.24-623,416.26

Finding the Fourth Proportional to 1,139,669.76, 1,572,692.24 and 623,416.26

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Solution

The fourth proportional to 1,139,669.76, 1,572,692.24 and 623,416.26 is: 860,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,669.76 : 1,572,692.24 = 623,416.26 : x
  2. Step 2: Convert to fraction form
    1,139,669.76/1,572,692.24 = 623,416.26/x
  3. Step 3: Cross multiply
    1,139,669.76x = 1,572,692.24 × 623,416.26
  4. Step 4: Simplify right side
    1,139,669.76x = 980,441,915,950.36
  5. Step 5: Solve for x
    x = 980,441,915,950.36/1,139,669.76
  6. Step 6: Final answer
    x = 860,285.98

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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.