Home / 832,155.10-1,148,371.50-450,181.78

Finding the Fourth Proportional to 832,155.10, 1,148,371.50 and 450,181.78

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Solution

The fourth proportional to 832,155.10, 1,148,371.50 and 450,181.78 is: 621,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,155.10 : 1,148,371.50 = 450,181.78 : x
  2. Step 2: Convert to fraction form
    832,155.10/1,148,371.50 = 450,181.78/x
  3. Step 3: Cross multiply
    832,155.10x = 1,148,371.50 × 450,181.78
  4. Step 4: Simplify right side
    832,155.10x = 516,975,925,971.27
  5. Step 5: Solve for x
    x = 516,975,925,971.27/832,155.10
  6. Step 6: Final answer
    x = 621,249.48

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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.