Home / 1,053,899.61-1,454,409.68-640,295.61

Finding the Fourth Proportional to 1,053,899.61, 1,454,409.68 and 640,295.61

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Solution

The fourth proportional to 1,053,899.61, 1,454,409.68 and 640,295.61 is: 883,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,899.61 : 1,454,409.68 = 640,295.61 : x
  2. Step 2: Convert to fraction form
    1,053,899.61/1,454,409.68 = 640,295.61/x
  3. Step 3: Cross multiply
    1,053,899.61x = 1,454,409.68 × 640,295.61
  4. Step 4: Simplify right side
    1,053,899.61x = 931,252,130,044.03
  5. Step 5: Solve for x
    x = 931,252,130,044.03/1,053,899.61
  6. Step 6: Final answer
    x = 883,625.08

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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.