Home / 1,000,294.78-1,380,406.70-541,409.28

Finding the Fourth Proportional to 1,000,294.78, 1,380,406.70 and 541,409.28

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Solution

The fourth proportional to 1,000,294.78, 1,380,406.70 and 541,409.28 is: 747,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,294.78 : 1,380,406.70 = 541,409.28 : x
  2. Step 2: Convert to fraction form
    1,000,294.78/1,380,406.70 = 541,409.28/x
  3. Step 3: Cross multiply
    1,000,294.78x = 1,380,406.70 × 541,409.28
  4. Step 4: Simplify right side
    1,000,294.78x = 747,364,997,554.18
  5. Step 5: Solve for x
    x = 747,364,997,554.18/1,000,294.78
  6. Step 6: Final answer
    x = 747,144.75

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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.