Home / 529,848.42-731,195.96-288,136.22

Finding the Fourth Proportional to 529,848.42, 731,195.96 and 288,136.22

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Solution

The fourth proportional to 529,848.42, 731,195.96 and 288,136.22 is: 397,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,848.42 : 731,195.96 = 288,136.22 : x
  2. Step 2: Convert to fraction form
    529,848.42/731,195.96 = 288,136.22/x
  3. Step 3: Cross multiply
    529,848.42x = 731,195.96 × 288,136.22
  4. Step 4: Simplify right side
    529,848.42x = 210,684,034,897.01
  5. Step 5: Solve for x
    x = 210,684,034,897.01/529,848.42
  6. Step 6: Final answer
    x = 397,630.77

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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.