Home / 963,166.49-1,329,166.40-555,266.37

Finding the Fourth Proportional to 963,166.49, 1,329,166.40 and 555,266.37

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Solution

The fourth proportional to 963,166.49, 1,329,166.40 and 555,266.37 is: 766,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,166.49 : 1,329,166.40 = 555,266.37 : x
  2. Step 2: Convert to fraction form
    963,166.49/1,329,166.40 = 555,266.37/x
  3. Step 3: Cross multiply
    963,166.49x = 1,329,166.40 × 555,266.37
  4. Step 4: Simplify right side
    963,166.49x = 738,041,402,053.97
  5. Step 5: Solve for x
    x = 738,041,402,053.97/963,166.49
  6. Step 6: Final answer
    x = 766,265.66

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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.