Home / 382,916.16-577,241.10-357,226.20

Finding the Fourth Proportional to 382,916.16, 577,241.10 and 357,226.20

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Solution

The fourth proportional to 382,916.16, 577,241.10 and 357,226.20 is: 538,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,916.16 : 577,241.10 = 357,226.20 : x
  2. Step 2: Convert to fraction form
    382,916.16/577,241.10 = 357,226.20/x
  3. Step 3: Cross multiply
    382,916.16x = 577,241.10 × 357,226.20
  4. Step 4: Simplify right side
    382,916.16x = 206,205,644,636.82
  5. Step 5: Solve for x
    x = 206,205,644,636.82/382,916.16
  6. Step 6: Final answer
    x = 538,513.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.