Home / 916,308.84-1,373,060.28-383,539.80

Finding the Fourth Proportional to 916,308.84, 1,373,060.28 and 383,539.80

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Solution

The fourth proportional to 916,308.84, 1,373,060.28 and 383,539.80 is: 574,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,308.84 : 1,373,060.28 = 383,539.80 : x
  2. Step 2: Convert to fraction form
    916,308.84/1,373,060.28 = 383,539.80/x
  3. Step 3: Cross multiply
    916,308.84x = 1,373,060.28 × 383,539.80
  4. Step 4: Simplify right side
    916,308.84x = 526,623,265,179.14
  5. Step 5: Solve for x
    x = 526,623,265,179.14/916,308.84
  6. Step 6: Final answer
    x = 574,722.45

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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.