Home / 1,065,640.18-1,598,460.39-434,603.38

Finding the Fourth Proportional to 1,065,640.18, 1,598,460.39 and 434,603.38

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Solution

The fourth proportional to 1,065,640.18, 1,598,460.39 and 434,603.38 is: 651,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,640.18 : 1,598,460.39 = 434,603.38 : x
  2. Step 2: Convert to fraction form
    1,065,640.18/1,598,460.39 = 434,603.38/x
  3. Step 3: Cross multiply
    1,065,640.18x = 1,598,460.39 × 434,603.38
  4. Step 4: Simplify right side
    1,065,640.18x = 694,696,288,290.12
  5. Step 5: Solve for x
    x = 694,696,288,290.12/1,065,640.18
  6. Step 6: Final answer
    x = 651,905.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.