Home / 536,943.42-740,966.09-307,493.10

Finding the Fourth Proportional to 536,943.42, 740,966.09 and 307,493.10

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Solution

The fourth proportional to 536,943.42, 740,966.09 and 307,493.10 is: 424,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,943.42 : 740,966.09 = 307,493.10 : x
  2. Step 2: Convert to fraction form
    536,943.42/740,966.09 = 307,493.10/x
  3. Step 3: Cross multiply
    536,943.42x = 740,966.09 × 307,493.10
  4. Step 4: Simplify right side
    536,943.42x = 227,841,958,471.51
  5. Step 5: Solve for x
    x = 227,841,958,471.51/536,943.42
  6. Step 6: Final answer
    x = 424,331.41

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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.