Home / 1,292,328.54-1,938,493.35-581,526.27

Finding the Fourth Proportional to 1,292,328.54, 1,938,493.35 and 581,526.27

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Solution

The fourth proportional to 1,292,328.54, 1,938,493.35 and 581,526.27 is: 872,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,328.54 : 1,938,493.35 = 581,526.27 : x
  2. Step 2: Convert to fraction form
    1,292,328.54/1,938,493.35 = 581,526.27/x
  3. Step 3: Cross multiply
    1,292,328.54x = 1,938,493.35 × 581,526.27
  4. Step 4: Simplify right side
    1,292,328.54x = 1,127,284,807,245.30
  5. Step 5: Solve for x
    x = 1,127,284,807,245.30/1,292,328.54
  6. Step 6: Final answer
    x = 872,289.65

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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.