Home / 389,927.40-584,891.10-238,368.30

Finding the Fourth Proportional to 389,927.40, 584,891.10 and 238,368.30

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Solution

The fourth proportional to 389,927.40, 584,891.10 and 238,368.30 is: 357,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,927.40 : 584,891.10 = 238,368.30 : x
  2. Step 2: Convert to fraction form
    389,927.40/584,891.10 = 238,368.30/x
  3. Step 3: Cross multiply
    389,927.40x = 584,891.10 × 238,368.30
  4. Step 4: Simplify right side
    389,927.40x = 139,419,497,192.13
  5. Step 5: Solve for x
    x = 139,419,497,192.13/389,927.40
  6. Step 6: Final answer
    x = 357,552.45

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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.