Home / 460,036.08-634,805.28-339,242.40

Finding the Fourth Proportional to 460,036.08, 634,805.28 and 339,242.40

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Solution

The fourth proportional to 460,036.08, 634,805.28 and 339,242.40 is: 468,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,036.08 : 634,805.28 = 339,242.40 : x
  2. Step 2: Convert to fraction form
    460,036.08/634,805.28 = 339,242.40/x
  3. Step 3: Cross multiply
    460,036.08x = 634,805.28 × 339,242.40
  4. Step 4: Simplify right side
    460,036.08x = 215,352,866,610.67
  5. Step 5: Solve for x
    x = 215,352,866,610.67/460,036.08
  6. Step 6: Final answer
    x = 468,121.69

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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.