Home / 628,673.88-943,001.58-155,359.22

Finding the Fourth Proportional to 628,673.88, 943,001.58 and 155,359.22

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Solution

The fourth proportional to 628,673.88, 943,001.58 and 155,359.22 is: 233,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,673.88 : 943,001.58 = 155,359.22 : x
  2. Step 2: Convert to fraction form
    628,673.88/943,001.58 = 155,359.22/x
  3. Step 3: Cross multiply
    628,673.88x = 943,001.58 × 155,359.22
  4. Step 4: Simplify right side
    628,673.88x = 146,503,989,927.57
  5. Step 5: Solve for x
    x = 146,503,989,927.57/628,673.88
  6. Step 6: Final answer
    x = 233,036.55

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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.