Home / 902,607.49-1,354,756.88-476,459.61

Finding the Fourth Proportional to 902,607.49, 1,354,756.88 and 476,459.61

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Solution

The fourth proportional to 902,607.49, 1,354,756.88 and 476,459.61 is: 715,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,607.49 : 1,354,756.88 = 476,459.61 : x
  2. Step 2: Convert to fraction form
    902,607.49/1,354,756.88 = 476,459.61/x
  3. Step 3: Cross multiply
    902,607.49x = 1,354,756.88 × 476,459.61
  4. Step 4: Simplify right side
    902,607.49x = 645,486,934,689.62
  5. Step 5: Solve for x
    x = 645,486,934,689.62/902,607.49
  6. Step 6: Final answer
    x = 715,135.81

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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.