Home / 693,637.58-1,038,774.60-479,805.54

Finding the Fourth Proportional to 693,637.58, 1,038,774.60 and 479,805.54

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Solution

The fourth proportional to 693,637.58, 1,038,774.60 and 479,805.54 is: 718,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,637.58 : 1,038,774.60 = 479,805.54 : x
  2. Step 2: Convert to fraction form
    693,637.58/1,038,774.60 = 479,805.54/x
  3. Step 3: Cross multiply
    693,637.58x = 1,038,774.60 × 479,805.54
  4. Step 4: Simplify right side
    693,637.58x = 498,409,807,891.28
  5. Step 5: Solve for x
    x = 498,409,807,891.28/693,637.58
  6. Step 6: Final answer
    x = 718,545.00

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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.