Home / 679,302.83-936,449.91-474,718.58

Finding the Fourth Proportional to 679,302.83, 936,449.91 and 474,718.58

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Solution

The fourth proportional to 679,302.83, 936,449.91 and 474,718.58 is: 654,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,302.83 : 936,449.91 = 474,718.58 : x
  2. Step 2: Convert to fraction form
    679,302.83/936,449.91 = 474,718.58/x
  3. Step 3: Cross multiply
    679,302.83x = 936,449.91 × 474,718.58
  4. Step 4: Simplify right side
    679,302.83x = 444,550,171,516.33
  5. Step 5: Solve for x
    x = 444,550,171,516.33/679,302.83
  6. Step 6: Final answer
    x = 654,421.20

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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.