Home / 1,461,117.81-2,016,350.03-816,548.76

Finding the Fourth Proportional to 1,461,117.81, 2,016,350.03 and 816,548.76

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Solution

The fourth proportional to 1,461,117.81, 2,016,350.03 and 816,548.76 is: 1,126,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,117.81 : 2,016,350.03 = 816,548.76 : x
  2. Step 2: Convert to fraction form
    1,461,117.81/2,016,350.03 = 816,548.76/x
  3. Step 3: Cross multiply
    1,461,117.81x = 2,016,350.03 × 816,548.76
  4. Step 4: Simplify right side
    1,461,117.81x = 1,646,448,112,639.72
  5. Step 5: Solve for x
    x = 1,646,448,112,639.72/1,461,117.81
  6. Step 6: Final answer
    x = 1,126,841.45

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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.