Home / 679,148.32-937,230.24-424,647.04

Finding the Fourth Proportional to 679,148.32, 937,230.24 and 424,647.04

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Solution

The fourth proportional to 679,148.32, 937,230.24 and 424,647.04 is: 586,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,148.32 : 937,230.24 = 424,647.04 : x
  2. Step 2: Convert to fraction form
    679,148.32/937,230.24 = 424,647.04/x
  3. Step 3: Cross multiply
    679,148.32x = 937,230.24 × 424,647.04
  4. Step 4: Simplify right side
    679,148.32x = 397,992,047,214.49
  5. Step 5: Solve for x
    x = 397,992,047,214.49/679,148.32
  6. Step 6: Final answer
    x = 586,016.39

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Double scale
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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.