Home / 458,411.03-688,069.09-344,161.46

Finding the Fourth Proportional to 458,411.03, 688,069.09 and 344,161.46

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Solution

The fourth proportional to 458,411.03, 688,069.09 and 344,161.46 is: 516,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,411.03 : 688,069.09 = 344,161.46 : x
  2. Step 2: Convert to fraction form
    458,411.03/688,069.09 = 344,161.46/x
  3. Step 3: Cross multiply
    458,411.03x = 688,069.09 × 344,161.46
  4. Step 4: Simplify right side
    458,411.03x = 236,806,860,874.46
  5. Step 5: Solve for x
    x = 236,806,860,874.46/458,411.03
  6. Step 6: Final answer
    x = 516,581.95

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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.