Home / 531,541.48-797,603.82-215,913.64

Finding the Fourth Proportional to 531,541.48, 797,603.82 and 215,913.64

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Solution

The fourth proportional to 531,541.48, 797,603.82 and 215,913.64 is: 323,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,541.48 : 797,603.82 = 215,913.64 : x
  2. Step 2: Convert to fraction form
    531,541.48/797,603.82 = 215,913.64/x
  3. Step 3: Cross multiply
    531,541.48x = 797,603.82 × 215,913.64
  4. Step 4: Simplify right side
    531,541.48x = 172,213,544,054.11
  5. Step 5: Solve for x
    x = 172,213,544,054.11/531,541.48
  6. Step 6: Final answer
    x = 323,988.91

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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.