Home / 426,070.40-587,976.71-235,083.77

Finding the Fourth Proportional to 426,070.40, 587,976.71 and 235,083.77

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Solution

The fourth proportional to 426,070.40, 587,976.71 and 235,083.77 is: 324,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,070.40 : 587,976.71 = 235,083.77 : x
  2. Step 2: Convert to fraction form
    426,070.40/587,976.71 = 235,083.77/x
  3. Step 3: Cross multiply
    426,070.40x = 587,976.71 × 235,083.77
  4. Step 4: Simplify right side
    426,070.40x = 138,223,779,748.61
  5. Step 5: Solve for x
    x = 138,223,779,748.61/426,070.40
  6. Step 6: Final answer
    x = 324,415.36

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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.