Home / 528,635.03-792,431.28-338,555.57

Finding the Fourth Proportional to 528,635.03, 792,431.28 and 338,555.57

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Solution

The fourth proportional to 528,635.03, 792,431.28 and 338,555.57 is: 507,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,635.03 : 792,431.28 = 338,555.57 : x
  2. Step 2: Convert to fraction form
    528,635.03/792,431.28 = 338,555.57/x
  3. Step 3: Cross multiply
    528,635.03x = 792,431.28 × 338,555.57
  4. Step 4: Simplify right side
    528,635.03x = 268,282,019,724.07
  5. Step 5: Solve for x
    x = 268,282,019,724.07/528,635.03
  6. Step 6: Final answer
    x = 507,499.52

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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.