Home / 651,379.02-898,644.30-406,219.56

Finding the Fourth Proportional to 651,379.02, 898,644.30 and 406,219.56

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Solution

The fourth proportional to 651,379.02, 898,644.30 and 406,219.56 is: 560,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,379.02 : 898,644.30 = 406,219.56 : x
  2. Step 2: Convert to fraction form
    651,379.02/898,644.30 = 406,219.56/x
  3. Step 3: Cross multiply
    651,379.02x = 898,644.30 × 406,219.56
  4. Step 4: Simplify right side
    651,379.02x = 365,046,892,142.51
  5. Step 5: Solve for x
    x = 365,046,892,142.51/651,379.02
  6. Step 6: Final answer
    x = 560,421.63

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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.