Home / 1,641,818.71-2,265,614.61-916,712.32

Finding the Fourth Proportional to 1,641,818.71, 2,265,614.61 and 916,712.32

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Solution

The fourth proportional to 1,641,818.71, 2,265,614.61 and 916,712.32 is: 1,265,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,818.71 : 2,265,614.61 = 916,712.32 : x
  2. Step 2: Convert to fraction form
    1,641,818.71/2,265,614.61 = 916,712.32/x
  3. Step 3: Cross multiply
    1,641,818.71x = 2,265,614.61 × 916,712.32
  4. Step 4: Simplify right side
    1,641,818.71x = 2,076,916,825,359.00
  5. Step 5: Solve for x
    x = 2,076,916,825,359.00/1,641,818.71
  6. Step 6: Final answer
    x = 1,265,009.84

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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.