Home / 1,302,139.18-1,797,575.10-867,280.22

Finding the Fourth Proportional to 1,302,139.18, 1,797,575.10 and 867,280.22

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Solution

The fourth proportional to 1,302,139.18, 1,797,575.10 and 867,280.22 is: 1,197,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,139.18 : 1,797,575.10 = 867,280.22 : x
  2. Step 2: Convert to fraction form
    1,302,139.18/1,797,575.10 = 867,280.22/x
  3. Step 3: Cross multiply
    1,302,139.18x = 1,797,575.10 × 867,280.22
  4. Step 4: Simplify right side
    1,302,139.18x = 1,559,001,328,194.52
  5. Step 5: Solve for x
    x = 1,559,001,328,194.52/1,302,139.18
  6. Step 6: Final answer
    x = 1,197,261.67

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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.