Home / 628,774.34-943,161.45-155,463.80

Finding the Fourth Proportional to 628,774.34, 943,161.45 and 155,463.80

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Solution

The fourth proportional to 628,774.34, 943,161.45 and 155,463.80 is: 233,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,774.34 : 943,161.45 = 155,463.80 : x
  2. Step 2: Convert to fraction form
    628,774.34/943,161.45 = 155,463.80/x
  3. Step 3: Cross multiply
    628,774.34x = 943,161.45 × 155,463.80
  4. Step 4: Simplify right side
    628,774.34x = 146,627,463,030.51
  5. Step 5: Solve for x
    x = 146,627,463,030.51/628,774.34
  6. Step 6: Final answer
    x = 233,195.69

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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.