Home / 927,339.23-1,391,208.11-287,629.58

Finding the Fourth Proportional to 927,339.23, 1,391,208.11 and 287,629.58

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Solution

The fourth proportional to 927,339.23, 1,391,208.11 and 287,629.58 is: 431,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,339.23 : 1,391,208.11 = 287,629.58 : x
  2. Step 2: Convert to fraction form
    927,339.23/1,391,208.11 = 287,629.58/x
  3. Step 3: Cross multiply
    927,339.23x = 1,391,208.11 × 287,629.58
  4. Step 4: Simplify right side
    927,339.23x = 400,152,607,490.38
  5. Step 5: Solve for x
    x = 400,152,607,490.38/927,339.23
  6. Step 6: Final answer
    x = 431,506.18

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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.