Home / 404,821.40-607,232.10-124,338.20

Finding the Fourth Proportional to 404,821.40, 607,232.10 and 124,338.20

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Solution

The fourth proportional to 404,821.40, 607,232.10 and 124,338.20 is: 186,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,821.40 : 607,232.10 = 124,338.20 : x
  2. Step 2: Convert to fraction form
    404,821.40/607,232.10 = 124,338.20/x
  3. Step 3: Cross multiply
    404,821.40x = 607,232.10 × 124,338.20
  4. Step 4: Simplify right side
    404,821.40x = 75,502,146,296.22
  5. Step 5: Solve for x
    x = 75,502,146,296.22/404,821.40
  6. Step 6: Final answer
    x = 186,507.30

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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.