Home / 656,432.01-905,529.01-452,131.56

Finding the Fourth Proportional to 656,432.01, 905,529.01 and 452,131.56

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Solution

The fourth proportional to 656,432.01, 905,529.01 and 452,131.56 is: 623,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,432.01 : 905,529.01 = 452,131.56 : x
  2. Step 2: Convert to fraction form
    656,432.01/905,529.01 = 452,131.56/x
  3. Step 3: Cross multiply
    656,432.01x = 905,529.01 × 452,131.56
  4. Step 4: Simplify right side
    656,432.01x = 409,418,243,916.56
  5. Step 5: Solve for x
    x = 409,418,243,916.56/656,432.01
  6. Step 6: Final answer
    x = 623,702.44

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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.