Home / 656,431.01-905,527.63-452,130.56

Finding the Fourth Proportional to 656,431.01, 905,527.63 and 452,130.56

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Solution

The fourth proportional to 656,431.01, 905,527.63 and 452,130.56 is: 623,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,431.01 : 905,527.63 = 452,130.56 : x
  2. Step 2: Convert to fraction form
    656,431.01/905,527.63 = 452,130.56/x
  3. Step 3: Cross multiply
    656,431.01x = 905,527.63 × 452,130.56
  4. Step 4: Simplify right side
    656,431.01x = 409,416,714,447.37
  5. Step 5: Solve for x
    x = 409,416,714,447.37/656,431.01
  6. Step 6: Final answer
    x = 623,701.06

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1.5x scale

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.