Home / 626,602.36-939,921.76-153,287.56

Finding the Fourth Proportional to 626,602.36, 939,921.76 and 153,287.56

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Solution

The fourth proportional to 626,602.36, 939,921.76 and 153,287.56 is: 229,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,602.36 : 939,921.76 = 153,287.56 : x
  2. Step 2: Convert to fraction form
    626,602.36/939,921.76 = 153,287.56/x
  3. Step 3: Cross multiply
    626,602.36x = 939,921.76 × 153,287.56
  4. Step 4: Simplify right side
    626,602.36x = 144,078,315,147.89
  5. Step 5: Solve for x
    x = 144,078,315,147.89/626,602.36
  6. Step 6: Final answer
    x = 229,935.80

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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.