Home / 529,938.32-731,293.83-288,220.77

Finding the Fourth Proportional to 529,938.32, 731,293.83 and 288,220.77

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Solution

The fourth proportional to 529,938.32, 731,293.83 and 288,220.77 is: 397,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,938.32 : 731,293.83 = 288,220.77 : x
  2. Step 2: Convert to fraction form
    529,938.32/731,293.83 = 288,220.77/x
  3. Step 3: Cross multiply
    529,938.32x = 731,293.83 × 288,220.77
  4. Step 4: Simplify right side
    529,938.32x = 210,774,070,778.85
  5. Step 5: Solve for x
    x = 210,774,070,778.85/529,938.32
  6. Step 6: Final answer
    x = 397,733.22

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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.