Home / 674,370.70-1,008,603.60-514,938.40

Finding the Fourth Proportional to 674,370.70, 1,008,603.60 and 514,938.40

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Solution

The fourth proportional to 674,370.70, 1,008,603.60 and 514,938.40 is: 770,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,370.70 : 1,008,603.60 = 514,938.40 : x
  2. Step 2: Convert to fraction form
    674,370.70/1,008,603.60 = 514,938.40/x
  3. Step 3: Cross multiply
    674,370.70x = 1,008,603.60 × 514,938.40
  4. Step 4: Simplify right side
    674,370.70x = 519,368,724,018.24
  5. Step 5: Solve for x
    x = 519,368,724,018.24/674,370.70
  6. Step 6: Final answer
    x = 770,153.16

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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.