Home / 676,476.34-933,544.21-408,152.50

Finding the Fourth Proportional to 676,476.34, 933,544.21 and 408,152.50

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Solution

The fourth proportional to 676,476.34, 933,544.21 and 408,152.50 is: 563,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,476.34 : 933,544.21 = 408,152.50 : x
  2. Step 2: Convert to fraction form
    676,476.34/933,544.21 = 408,152.50/x
  3. Step 3: Cross multiply
    676,476.34x = 933,544.21 × 408,152.50
  4. Step 4: Simplify right side
    676,476.34x = 381,028,403,172.03
  5. Step 5: Solve for x
    x = 381,028,403,172.03/676,476.34
  6. Step 6: Final answer
    x = 563,254.59

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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.