Home / 651,024.60-898,016.40-430,261.53

Finding the Fourth Proportional to 651,024.60, 898,016.40 and 430,261.53

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Solution

The fourth proportional to 651,024.60, 898,016.40 and 430,261.53 is: 593,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,024.60 : 898,016.40 = 430,261.53 : x
  2. Step 2: Convert to fraction form
    651,024.60/898,016.40 = 430,261.53/x
  3. Step 3: Cross multiply
    651,024.60x = 898,016.40 × 430,261.53
  4. Step 4: Simplify right side
    651,024.60x = 386,381,910,229.09
  5. Step 5: Solve for x
    x = 386,381,910,229.09/651,024.60
  6. Step 6: Final answer
    x = 593,498.17

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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.