Home / 953,429.70-1,315,920.60-540,040.44

Finding the Fourth Proportional to 953,429.70, 1,315,920.60 and 540,040.44

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Solution

The fourth proportional to 953,429.70, 1,315,920.60 and 540,040.44 is: 745,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,429.70 : 1,315,920.60 = 540,040.44 : x
  2. Step 2: Convert to fraction form
    953,429.70/1,315,920.60 = 540,040.44/x
  3. Step 3: Cross multiply
    953,429.70x = 1,315,920.60 × 540,040.44
  4. Step 4: Simplify right side
    953,429.70x = 710,650,339,829.06
  5. Step 5: Solve for x
    x = 710,650,339,829.06/953,429.70
  6. Step 6: Final answer
    x = 745,362.08

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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.