Home / 661,678.30-992,925.69-306,626.14

Finding the Fourth Proportional to 661,678.30, 992,925.69 and 306,626.14

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Solution

The fourth proportional to 661,678.30, 992,925.69 and 306,626.14 is: 460,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,678.30 : 992,925.69 = 306,626.14 : x
  2. Step 2: Convert to fraction form
    661,678.30/992,925.69 = 306,626.14/x
  3. Step 3: Cross multiply
    661,678.30x = 992,925.69 × 306,626.14
  4. Step 4: Simplify right side
    661,678.30x = 304,456,971,631.54
  5. Step 5: Solve for x
    x = 304,456,971,631.54/661,678.30
  6. Step 6: Final answer
    x = 460,128.39

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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.