Home / 459,916.20-634,683.42-258,712.20

Finding the Fourth Proportional to 459,916.20, 634,683.42 and 258,712.20

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Solution

The fourth proportional to 459,916.20, 634,683.42 and 258,712.20 is: 357,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,916.20 : 634,683.42 = 258,712.20 : x
  2. Step 2: Convert to fraction form
    459,916.20/634,683.42 = 258,712.20/x
  3. Step 3: Cross multiply
    459,916.20x = 634,683.42 × 258,712.20
  4. Step 4: Simplify right side
    459,916.20x = 164,200,343,891.72
  5. Step 5: Solve for x
    x = 164,200,343,891.72/459,916.20
  6. Step 6: Final answer
    x = 357,022.31

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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.