Home / 657,006.20-985,898.10-433,014.20

Finding the Fourth Proportional to 657,006.20, 985,898.10 and 433,014.20

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Solution

The fourth proportional to 657,006.20, 985,898.10 and 433,014.20 is: 649,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,006.20 : 985,898.10 = 433,014.20 : x
  2. Step 2: Convert to fraction form
    657,006.20/985,898.10 = 433,014.20/x
  3. Step 3: Cross multiply
    657,006.20x = 985,898.10 × 433,014.20
  4. Step 4: Simplify right side
    657,006.20x = 426,907,877,053.02
  5. Step 5: Solve for x
    x = 426,907,877,053.02/657,006.20
  6. Step 6: Final answer
    x = 649,777.55

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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.