Home / 930,564.60-1,396,106.10-457,265.40

Finding the Fourth Proportional to 930,564.60, 1,396,106.10 and 457,265.40

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Solution

The fourth proportional to 930,564.60, 1,396,106.10 and 457,265.40 is: 686,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,564.60 : 1,396,106.10 = 457,265.40 : x
  2. Step 2: Convert to fraction form
    930,564.60/1,396,106.10 = 457,265.40/x
  3. Step 3: Cross multiply
    930,564.60x = 1,396,106.10 × 457,265.40
  4. Step 4: Simplify right side
    930,564.60x = 638,391,014,258.94
  5. Step 5: Solve for x
    x = 638,391,014,258.94/930,564.60
  6. Step 6: Final answer
    x = 686,025.47

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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.