Home / 748,302.14-1,032,679.65-408,792.26

Finding the Fourth Proportional to 748,302.14, 1,032,679.65 and 408,792.26

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Solution

The fourth proportional to 748,302.14, 1,032,679.65 and 408,792.26 is: 564,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,302.14 : 1,032,679.65 = 408,792.26 : x
  2. Step 2: Convert to fraction form
    748,302.14/1,032,679.65 = 408,792.26/x
  3. Step 3: Cross multiply
    748,302.14x = 1,032,679.65 × 408,792.26
  4. Step 4: Simplify right side
    748,302.14x = 422,151,447,979.51
  5. Step 5: Solve for x
    x = 422,151,447,979.51/748,302.14
  6. Step 6: Final answer
    x = 564,145.72

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Double scale
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Similar ratio
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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.