Home / 628,718.40-943,077.60-452,883.60

Finding the Fourth Proportional to 628,718.40, 943,077.60 and 452,883.60

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Solution

The fourth proportional to 628,718.40, 943,077.60 and 452,883.60 is: 679,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,718.40 : 943,077.60 = 452,883.60 : x
  2. Step 2: Convert to fraction form
    628,718.40/943,077.60 = 452,883.60/x
  3. Step 3: Cross multiply
    628,718.40x = 943,077.60 × 452,883.60
  4. Step 4: Simplify right side
    628,718.40x = 427,104,378,567.36
  5. Step 5: Solve for x
    x = 427,104,378,567.36/628,718.40
  6. Step 6: Final answer
    x = 679,325.40

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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.