Home / 651,114.20-975,359.10-438,537.80

Finding the Fourth Proportional to 651,114.20, 975,359.10 and 438,537.80

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Solution

The fourth proportional to 651,114.20, 975,359.10 and 438,537.80 is: 656,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,114.20 : 975,359.10 = 438,537.80 : x
  2. Step 2: Convert to fraction form
    651,114.20/975,359.10 = 438,537.80/x
  3. Step 3: Cross multiply
    651,114.20x = 975,359.10 × 438,537.80
  4. Step 4: Simplify right side
    651,114.20x = 427,731,833,923.98
  5. Step 5: Solve for x
    x = 427,731,833,923.98/651,114.20
  6. Step 6: Final answer
    x = 656,922.91

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1.5x scale

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.