Home / 693,480.60-1,037,916.90-503,400.60

Finding the Fourth Proportional to 693,480.60, 1,037,916.90 and 503,400.60

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Solution

The fourth proportional to 693,480.60, 1,037,916.90 and 503,400.60 is: 753,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,480.60 : 1,037,916.90 = 503,400.60 : x
  2. Step 2: Convert to fraction form
    693,480.60/1,037,916.90 = 503,400.60/x
  3. Step 3: Cross multiply
    693,480.60x = 1,037,916.90 × 503,400.60
  4. Step 4: Simplify right side
    693,480.60x = 522,487,990,210.14
  5. Step 5: Solve for x
    x = 522,487,990,210.14/693,480.60
  6. Step 6: Final answer
    x = 753,428.42

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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.