Home / 1,678,401-2,316,163.95-914,459.94

Finding the Fourth Proportional to 1,678,401, 2,316,163.95 and 914,459.94

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Solution

The fourth proportional to 1,678,401, 2,316,163.95 and 914,459.94 is: 1,261,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,401 : 2,316,163.95 = 914,459.94 : x
  2. Step 2: Convert to fraction form
    1,678,401/2,316,163.95 = 914,459.94/x
  3. Step 3: Cross multiply
    1,678,401x = 2,316,163.95 × 914,459.94
  4. Step 4: Simplify right side
    1,678,401x = 2,118,039,146,747.16
  5. Step 5: Solve for x
    x = 2,118,039,146,747.16/1,678,401
  6. Step 6: Final answer
    x = 1,261,938.68

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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.