Home / 776,461.51-1,165,364.89-774,666.11

Finding the Fourth Proportional to 776,461.51, 1,165,364.89 and 774,666.11

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Solution

The fourth proportional to 776,461.51, 1,165,364.89 and 774,666.11 is: 1,162,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,461.51 : 1,165,364.89 = 774,666.11 : x
  2. Step 2: Convert to fraction form
    776,461.51/1,165,364.89 = 774,666.11/x
  3. Step 3: Cross multiply
    776,461.51x = 1,165,364.89 × 774,666.11
  4. Step 4: Simplify right side
    776,461.51x = 902,768,687,043.63
  5. Step 5: Solve for x
    x = 902,768,687,043.63/776,461.51
  6. Step 6: Final answer
    x = 1,162,670.23

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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.