Home / 727,478.58-1,003,572.73-565,223.22

Finding the Fourth Proportional to 727,478.58, 1,003,572.73 and 565,223.22

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Solution

The fourth proportional to 727,478.58, 1,003,572.73 and 565,223.22 is: 779,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,478.58 : 1,003,572.73 = 565,223.22 : x
  2. Step 2: Convert to fraction form
    727,478.58/1,003,572.73 = 565,223.22/x
  3. Step 3: Cross multiply
    727,478.58x = 1,003,572.73 × 565,223.22
  4. Step 4: Simplify right side
    727,478.58x = 567,242,609,954.79
  5. Step 5: Solve for x
    x = 567,242,609,954.79/727,478.58
  6. Step 6: Final answer
    x = 779,737.89

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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.