Home / 688,010.67-949,486.23-382,088.43

Finding the Fourth Proportional to 688,010.67, 949,486.23 and 382,088.43

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Solution

The fourth proportional to 688,010.67, 949,486.23 and 382,088.43 is: 527,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,010.67 : 949,486.23 = 382,088.43 : x
  2. Step 2: Convert to fraction form
    688,010.67/949,486.23 = 382,088.43/x
  3. Step 3: Cross multiply
    688,010.67x = 949,486.23 × 382,088.43
  4. Step 4: Simplify right side
    688,010.67x = 362,787,702,927.32
  5. Step 5: Solve for x
    x = 362,787,702,927.32/688,010.67
  6. Step 6: Final answer
    x = 527,299.53

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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.