Home / 1,047,145.60-1,570,257.60-415,849.60

Finding the Fourth Proportional to 1,047,145.60, 1,570,257.60 and 415,849.60

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Solution

The fourth proportional to 1,047,145.60, 1,570,257.60 and 415,849.60 is: 623,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,145.60 : 1,570,257.60 = 415,849.60 : x
  2. Step 2: Convert to fraction form
    1,047,145.60/1,570,257.60 = 415,849.60/x
  3. Step 3: Cross multiply
    1,047,145.60x = 1,570,257.60 × 415,849.60
  4. Step 4: Simplify right side
    1,047,145.60x = 652,990,994,856.96
  5. Step 5: Solve for x
    x = 652,990,994,856.96/1,047,145.60
  6. Step 6: Final answer
    x = 623,591.40

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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.