Home / 841,826.85-1,161,746.51-459,878.23

Finding the Fourth Proportional to 841,826.85, 1,161,746.51 and 459,878.23

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Solution

The fourth proportional to 841,826.85, 1,161,746.51 and 459,878.23 is: 634,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,826.85 : 1,161,746.51 = 459,878.23 : x
  2. Step 2: Convert to fraction form
    841,826.85/1,161,746.51 = 459,878.23/x
  3. Step 3: Cross multiply
    841,826.85x = 1,161,746.51 × 459,878.23
  4. Step 4: Simplify right side
    841,826.85x = 534,261,928,727.48
  5. Step 5: Solve for x
    x = 534,261,928,727.48/841,826.85
  6. Step 6: Final answer
    x = 634,645.86

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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.