Home / 626,326.20-939,484.80-153,007.20

Finding the Fourth Proportional to 626,326.20, 939,484.80 and 153,007.20

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Solution

The fourth proportional to 626,326.20, 939,484.80 and 153,007.20 is: 229,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,326.20 : 939,484.80 = 153,007.20 : x
  2. Step 2: Convert to fraction form
    626,326.20/939,484.80 = 153,007.20/x
  3. Step 3: Cross multiply
    626,326.20x = 939,484.80 × 153,007.20
  4. Step 4: Simplify right side
    626,326.20x = 143,747,938,690.56
  5. Step 5: Solve for x
    x = 143,747,938,690.56/626,326.20
  6. Step 6: Final answer
    x = 229,509.70

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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.