Home / 628,688.54-943,033.69-155,366.70

Finding the Fourth Proportional to 628,688.54, 943,033.69 and 155,366.70

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Solution

The fourth proportional to 628,688.54, 943,033.69 and 155,366.70 is: 233,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,688.54 : 943,033.69 = 155,366.70 : x
  2. Step 2: Convert to fraction form
    628,688.54/943,033.69 = 155,366.70/x
  3. Step 3: Cross multiply
    628,688.54x = 943,033.69 × 155,366.70
  4. Step 4: Simplify right side
    628,688.54x = 146,516,032,404.12
  5. Step 5: Solve for x
    x = 146,516,032,404.12/628,688.54
  6. Step 6: Final answer
    x = 233,050.27

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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.