Home / 395,045.02-545,538.68-373,526.56

Finding the Fourth Proportional to 395,045.02, 545,538.68 and 373,526.56

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Solution

The fourth proportional to 395,045.02, 545,538.68 and 373,526.56 is: 515,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,045.02 : 545,538.68 = 373,526.56 : x
  2. Step 2: Convert to fraction form
    395,045.02/545,538.68 = 373,526.56/x
  3. Step 3: Cross multiply
    395,045.02x = 545,538.68 × 373,526.56
  4. Step 4: Simplify right side
    395,045.02x = 203,773,186,487.34
  5. Step 5: Solve for x
    x = 203,773,186,487.34/395,045.02
  6. Step 6: Final answer
    x = 515,822.69

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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.