Home / 831,774.96-1,247,672.30-292,044.76

Finding the Fourth Proportional to 831,774.96, 1,247,672.30 and 292,044.76

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Solution

The fourth proportional to 831,774.96, 1,247,672.30 and 292,044.76 is: 438,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,774.96 : 1,247,672.30 = 292,044.76 : x
  2. Step 2: Convert to fraction form
    831,774.96/1,247,672.30 = 292,044.76/x
  3. Step 3: Cross multiply
    831,774.96x = 1,247,672.30 × 292,044.76
  4. Step 4: Simplify right side
    831,774.96x = 364,376,152,832.74
  5. Step 5: Solve for x
    x = 364,376,152,832.74/831,774.96
  6. Step 6: Final answer
    x = 438,070.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.