Home / 495,678.48-743,516.28-140,692.83

Finding the Fourth Proportional to 495,678.48, 743,516.28 and 140,692.83

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Solution

The fourth proportional to 495,678.48, 743,516.28 and 140,692.83 is: 211,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,678.48 : 743,516.28 = 140,692.83 : x
  2. Step 2: Convert to fraction form
    495,678.48/743,516.28 = 140,692.83/x
  3. Step 3: Cross multiply
    495,678.48x = 743,516.28 × 140,692.83
  4. Step 4: Simplify right side
    495,678.48x = 104,607,409,584.27
  5. Step 5: Solve for x
    x = 104,607,409,584.27/495,678.48
  6. Step 6: Final answer
    x = 211,038.84

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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.