Home / 1,112,281.85-1,534,935.15-653,438.25

Finding the Fourth Proportional to 1,112,281.85, 1,534,935.15 and 653,438.25

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Solution

The fourth proportional to 1,112,281.85, 1,534,935.15 and 653,438.25 is: 901,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,281.85 : 1,534,935.15 = 653,438.25 : x
  2. Step 2: Convert to fraction form
    1,112,281.85/1,534,935.15 = 653,438.25/x
  3. Step 3: Cross multiply
    1,112,281.85x = 1,534,935.15 × 653,438.25
  4. Step 4: Simplify right side
    1,112,281.85x = 1,002,985,338,279.49
  5. Step 5: Solve for x
    x = 1,002,985,338,279.49/1,112,281.85
  6. Step 6: Final answer
    x = 901,736.67

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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.