Home / 963,149.04-1,329,159.51-555,243.30

Finding the Fourth Proportional to 963,149.04, 1,329,159.51 and 555,243.30

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Solution

The fourth proportional to 963,149.04, 1,329,159.51 and 555,243.30 is: 766,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,149.04 : 1,329,159.51 = 555,243.30 : x
  2. Step 2: Convert to fraction form
    963,149.04/1,329,159.51 = 555,243.30/x
  3. Step 3: Cross multiply
    963,149.04x = 1,329,159.51 × 555,243.30
  4. Step 4: Simplify right side
    963,149.04x = 738,006,912,558.78
  5. Step 5: Solve for x
    x = 738,006,912,558.78/963,149.04
  6. Step 6: Final answer
    x = 766,243.73

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.