Home / 997,709.18-1,376,836.53-545,000.18

Finding the Fourth Proportional to 997,709.18, 1,376,836.53 and 545,000.18

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Solution

The fourth proportional to 997,709.18, 1,376,836.53 and 545,000.18 is: 752,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,709.18 : 1,376,836.53 = 545,000.18 : x
  2. Step 2: Convert to fraction form
    997,709.18/1,376,836.53 = 545,000.18/x
  3. Step 3: Cross multiply
    997,709.18x = 1,376,836.53 × 545,000.18
  4. Step 4: Simplify right side
    997,709.18x = 750,376,156,680.58
  5. Step 5: Solve for x
    x = 750,376,156,680.58/997,709.18
  6. Step 6: Final answer
    x = 752,099.08

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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.