Home / 930,869.40-1,396,304.10-576,575.40

Finding the Fourth Proportional to 930,869.40, 1,396,304.10 and 576,575.40

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Solution

The fourth proportional to 930,869.40, 1,396,304.10 and 576,575.40 is: 864,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,869.40 : 1,396,304.10 = 576,575.40 : x
  2. Step 2: Convert to fraction form
    930,869.40/1,396,304.10 = 576,575.40/x
  3. Step 3: Cross multiply
    930,869.40x = 1,396,304.10 × 576,575.40
  4. Step 4: Simplify right side
    930,869.40x = 805,074,594,979.14
  5. Step 5: Solve for x
    x = 805,074,594,979.14/930,869.40
  6. Step 6: Final answer
    x = 864,863.10

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.