Home / 626,206.74-864,108.18-354,299.46

Finding the Fourth Proportional to 626,206.74, 864,108.18 and 354,299.46

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Solution

The fourth proportional to 626,206.74, 864,108.18 and 354,299.46 is: 488,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,206.74 : 864,108.18 = 354,299.46 : x
  2. Step 2: Convert to fraction form
    626,206.74/864,108.18 = 354,299.46/x
  3. Step 3: Cross multiply
    626,206.74x = 864,108.18 × 354,299.46
  4. Step 4: Simplify right side
    626,206.74x = 306,153,061,555.58
  5. Step 5: Solve for x
    x = 306,153,061,555.58/626,206.74
  6. Step 6: Final answer
    x = 488,900.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.