Home / 712,917.23-1,069,056.17-424,864.90

Finding the Fourth Proportional to 712,917.23, 1,069,056.17 and 424,864.90

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Solution

The fourth proportional to 712,917.23, 1,069,056.17 and 424,864.90 is: 637,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,917.23 : 1,069,056.17 = 424,864.90 : x
  2. Step 2: Convert to fraction form
    712,917.23/1,069,056.17 = 424,864.90/x
  3. Step 3: Cross multiply
    712,917.23x = 1,069,056.17 × 424,864.90
  4. Step 4: Simplify right side
    712,917.23x = 454,204,446,708.22
  5. Step 5: Solve for x
    x = 454,204,446,708.22/712,917.23
  6. Step 6: Final answer
    x = 637,106.84

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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.