Home / 916,809.75-1,373,968.71-347,885.01

Finding the Fourth Proportional to 916,809.75, 1,373,968.71 and 347,885.01

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Solution

The fourth proportional to 916,809.75, 1,373,968.71 and 347,885.01 is: 521,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,809.75 : 1,373,968.71 = 347,885.01 : x
  2. Step 2: Convert to fraction form
    916,809.75/1,373,968.71 = 347,885.01/x
  3. Step 3: Cross multiply
    916,809.75x = 1,373,968.71 × 347,885.01
  4. Step 4: Simplify right side
    916,809.75x = 477,983,118,418.04
  5. Step 5: Solve for x
    x = 477,983,118,418.04/916,809.75
  6. Step 6: Final answer
    x = 521,354.75

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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.