Home / 727,788.67-1,086,565.60-556,111.91

Finding the Fourth Proportional to 727,788.67, 1,086,565.60 and 556,111.91

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Solution

The fourth proportional to 727,788.67, 1,086,565.60 and 556,111.91 is: 830,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,788.67 : 1,086,565.60 = 556,111.91 : x
  2. Step 2: Convert to fraction form
    727,788.67/1,086,565.60 = 556,111.91/x
  3. Step 3: Cross multiply
    727,788.67x = 1,086,565.60 × 556,111.91
  4. Step 4: Simplify right side
    727,788.67x = 604,252,071,156.30
  5. Step 5: Solve for x
    x = 604,252,071,156.30/727,788.67
  6. Step 6: Final answer
    x = 830,257.60

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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.