Home / 727,788.17-1,086,564.86-556,111.41

Finding the Fourth Proportional to 727,788.17, 1,086,564.86 and 556,111.41

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Solution

The fourth proportional to 727,788.17, 1,086,564.86 and 556,111.41 is: 830,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,788.17 : 1,086,564.86 = 556,111.41 : x
  2. Step 2: Convert to fraction form
    727,788.17/1,086,564.86 = 556,111.41/x
  3. Step 3: Cross multiply
    727,788.17x = 1,086,564.86 × 556,111.41
  4. Step 4: Simplify right side
    727,788.17x = 604,251,113,570.50
  5. Step 5: Solve for x
    x = 604,251,113,570.50/727,788.17
  6. Step 6: Final answer
    x = 830,256.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.