Home / 683,411.60-1,025,117.40-644,704.40

Finding the Fourth Proportional to 683,411.60, 1,025,117.40 and 644,704.40

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Solution

The fourth proportional to 683,411.60, 1,025,117.40 and 644,704.40 is: 967,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,411.60 : 1,025,117.40 = 644,704.40 : x
  2. Step 2: Convert to fraction form
    683,411.60/1,025,117.40 = 644,704.40/x
  3. Step 3: Cross multiply
    683,411.60x = 1,025,117.40 × 644,704.40
  4. Step 4: Simplify right side
    683,411.60x = 660,897,698,296.56
  5. Step 5: Solve for x
    x = 660,897,698,296.56/683,411.60
  6. Step 6: Final answer
    x = 967,056.60

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1.5x scale

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.