Home / 930,657.60-1,396,245.60-457,358.40

Finding the Fourth Proportional to 930,657.60, 1,396,245.60 and 457,358.40

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Solution

The fourth proportional to 930,657.60, 1,396,245.60 and 457,358.40 is: 686,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,657.60 : 1,396,245.60 = 457,358.40 : x
  2. Step 2: Convert to fraction form
    930,657.60/1,396,245.60 = 457,358.40/x
  3. Step 3: Cross multiply
    930,657.60x = 1,396,245.60 × 457,358.40
  4. Step 4: Simplify right side
    930,657.60x = 638,584,653,623.04
  5. Step 5: Solve for x
    x = 638,584,653,623.04/930,657.60
  6. Step 6: Final answer
    x = 686,164.98

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Double scale
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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.