Home / 1,019,059.65-1,528,593.12-309,093.84

Finding the Fourth Proportional to 1,019,059.65, 1,528,593.12 and 309,093.84

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Solution

The fourth proportional to 1,019,059.65, 1,528,593.12 and 309,093.84 is: 463,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,059.65 : 1,528,593.12 = 309,093.84 : x
  2. Step 2: Convert to fraction form
    1,019,059.65/1,528,593.12 = 309,093.84/x
  3. Step 3: Cross multiply
    1,019,059.65x = 1,528,593.12 × 309,093.84
  4. Step 4: Simplify right side
    1,019,059.65x = 472,478,717,258.38
  5. Step 5: Solve for x
    x = 472,478,717,258.38/1,019,059.65
  6. Step 6: Final answer
    x = 463,641.87

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Double scale
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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.