Home / 709,891.18-1,059,403.75-634,160.83

Finding the Fourth Proportional to 709,891.18, 1,059,403.75 and 634,160.83

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Solution

The fourth proportional to 709,891.18, 1,059,403.75 and 634,160.83 is: 946,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,891.18 : 1,059,403.75 = 634,160.83 : x
  2. Step 2: Convert to fraction form
    709,891.18/1,059,403.75 = 634,160.83/x
  3. Step 3: Cross multiply
    709,891.18x = 1,059,403.75 × 634,160.83
  4. Step 4: Simplify right side
    709,891.18x = 671,832,361,405.11
  5. Step 5: Solve for x
    x = 671,832,361,405.11/709,891.18
  6. Step 6: Final answer
    x = 946,387.81

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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.