Home / 910,571.18-1,257,603.42-709,046.42

Finding the Fourth Proportional to 910,571.18, 1,257,603.42 and 709,046.42

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Solution

The fourth proportional to 910,571.18, 1,257,603.42 and 709,046.42 is: 979,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,571.18 : 1,257,603.42 = 709,046.42 : x
  2. Step 2: Convert to fraction form
    910,571.18/1,257,603.42 = 709,046.42/x
  3. Step 3: Cross multiply
    910,571.18x = 1,257,603.42 × 709,046.42
  4. Step 4: Simplify right side
    910,571.18x = 891,699,202,730.76
  5. Step 5: Solve for x
    x = 891,699,202,730.76/910,571.18
  6. Step 6: Final answer
    x = 979,274.57

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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.