Home / 692,114.70-1,038,172.05-514,967.70

Finding the Fourth Proportional to 692,114.70, 1,038,172.05 and 514,967.70

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Solution

The fourth proportional to 692,114.70, 1,038,172.05 and 514,967.70 is: 772,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,114.70 : 1,038,172.05 = 514,967.70 : x
  2. Step 2: Convert to fraction form
    692,114.70/1,038,172.05 = 514,967.70/x
  3. Step 3: Cross multiply
    692,114.70x = 1,038,172.05 × 514,967.70
  4. Step 4: Simplify right side
    692,114.70x = 534,625,072,792.79
  5. Step 5: Solve for x
    x = 534,625,072,792.79/692,114.70
  6. Step 6: Final answer
    x = 772,451.55

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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.