Home / 687,808.02-947,613.73-532,224.39

Finding the Fourth Proportional to 687,808.02, 947,613.73 and 532,224.39

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Solution

The fourth proportional to 687,808.02, 947,613.73 and 532,224.39 is: 733,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,808.02 : 947,613.73 = 532,224.39 : x
  2. Step 2: Convert to fraction form
    687,808.02/947,613.73 = 532,224.39/x
  3. Step 3: Cross multiply
    687,808.02x = 947,613.73 × 532,224.39
  4. Step 4: Simplify right side
    687,808.02x = 504,343,139,404.88
  5. Step 5: Solve for x
    x = 504,343,139,404.88/687,808.02
  6. Step 6: Final answer
    x = 733,261.50

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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.