Home / 756,461.80-1,133,526.30-656,151.40

Finding the Fourth Proportional to 756,461.80, 1,133,526.30 and 656,151.40

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Solution

The fourth proportional to 756,461.80, 1,133,526.30 and 656,151.40 is: 983,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,461.80 : 1,133,526.30 = 656,151.40 : x
  2. Step 2: Convert to fraction form
    756,461.80/1,133,526.30 = 656,151.40/x
  3. Step 3: Cross multiply
    756,461.80x = 1,133,526.30 × 656,151.40
  4. Step 4: Simplify right side
    756,461.80x = 743,764,868,681.82
  5. Step 5: Solve for x
    x = 743,764,868,681.82/756,461.80
  6. Step 6: Final answer
    x = 983,215.37

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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.