Home / 495,526.21-683,708.55-291,586.03

Finding the Fourth Proportional to 495,526.21, 683,708.55 and 291,586.03

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Solution

The fourth proportional to 495,526.21, 683,708.55 and 291,586.03 is: 402,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,526.21 : 683,708.55 = 291,586.03 : x
  2. Step 2: Convert to fraction form
    495,526.21/683,708.55 = 291,586.03/x
  3. Step 3: Cross multiply
    495,526.21x = 683,708.55 × 291,586.03
  4. Step 4: Simplify right side
    495,526.21x = 199,359,858,968.84
  5. Step 5: Solve for x
    x = 199,359,858,968.84/495,526.21
  6. Step 6: Final answer
    x = 402,319.51

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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.